--- doc/tutorial/Attic/tutorial.lyx 2002/05/31 13:51:31 1.2 +++ doc/tutorial/Attic/tutorial.lyx 2002/06/14 20:28:52 1.7 @@ -27,33 +27,31 @@ \quotes_times 2 \papercolumns 1 \papersides 1 -\paperpagestyle fancy +\paperpagestyle headings \layout Title -Introduction to the Learning +Learning \emph on Online \emph default Network with CAPA +\newline + +\emph on +\SpecialChar ~ + +\newline + +\size larger +Author's Tutorial And Manual \layout Standard \added_space_top vfill \align center \SpecialChar ~ \layout Standard \align center -This manual was developed by John Williamson in the Office of Medical Education - Research and Development. - Some information in thie manual is adapted from the -\begin_inset Quotes eld -\end_inset - -LON-CAPA Workshop Demo -\begin_inset Quotes erd -\end_inset - - developed by Felicia Berryman in the Laboratory for Instructional Technology - in Education. +John Williamson, Felicia Berryman, Jeremy Bowers \layout Standard \SpecialChar ~ @@ -82,7 +80,7 @@ Michigan State University Introduction to LON-CAPA \layout Comment -This is a comment which will not show in any other rendering of this document. +This is a comment that will not show in any other rendering of this document. I will use them to document my observations as I work through this tutorial. \layout Comment @@ -101,15 +99,9 @@ IMHO \layout Standard LON-CAPA is a web-based interface that helps to organize and present your - course website, deliver and manage problem problems, and manage student - enrollment. - All author functions are done using a web browser (Netscape 4.x or higher - is recommended) and the LON-CAPA Author Interface. - The URL for LON-CAPA is -\family typewriter -http://s10.lite.msu.edu -\family default -. + course website, deliver and manage problems, and manage student enrollment. + All author functions are done through a web browser (Netscape 4.x or higher, + a recent Mozilla, or IE 5+ required). \layout Standard At this time, you should have: @@ -119,16 +111,55 @@ developed your objectives for your cours \layout Itemize -developed your problems for testing and identified the question formats. - The Template for Mapping Website to LON-CAPA that you filled in will assist - you in the process of creating your course website structure in LON-CAPA. +developed your problems for input into LON-CAPA and determined the appropriate + question formats. +\layout Subsection + +About This Manual +\layout Standard + +Throughout this manual, keywords and phrases literally present on the computer + screen will be referred to in +\series bold +bold type +\series default +. + Function names and scripts will be shown in a +\family typewriter +typewriter font +\family default +. +\layout Standard + +Much of this document can be used as a tutorial that will introduce you + to the authoring system. + In particular, chapters +\begin_inset LatexCommand \ref{Author Interface} + +\end_inset + + through +\begin_inset LatexCommand \ref{Creating a Course} + +\end_inset + + comprise a basic tutorial that can get you started using LON-CAPA, even + with no previous LON-CAPA experience. \layout Standard -This tutorial describes how to use the various author functions available - in LON-CAPA. +For additional help, visit our FAQ at +\family typewriter +http://help.loncapa.org/ +\family default +. \layout Section The LON-CAPA Author Interface +\begin_inset LatexCommand \label{Author Interface} + +\end_inset + + \layout Subsection Login as Course Author @@ -140,11 +171,7 @@ Login as Course Author \layout Standard To begin using LON-CAPA, you first need to log in to your account on LON-CAPA. - Open your web browser and navigate to the LON-CAPA URL: -\family typewriter -http://s10.lite.msu.edu/ -\family default - . + Open your web browser and navigate to your local LON-CAPA URL. You will be presented with a log in screen as in figure \begin_inset LatexCommand \ref{LON-CAPA Log in screen} @@ -180,11 +207,9 @@ Fill in the Username and Password boxes This will take you to your LON-CAPA User Roles menu. \layout Description -Note: Your Username is your PILOT ID, which is the part of your PILOT email - address to the left of the @. - Your password is your PILOT email password. - Both the PILOT ID and the password are case sensitive, so make sure you - type upper- and lower-case letters correctly. +Note: Your Username and Password will be given to you by your system administrat +or. + Both are case sensitive, so make sure you type them with the correct case. \layout Subsection @@ -219,7 +244,7 @@ remote control complexity of modern remotes, for three major reasons: One, they never, ever, ever change. Two, they provide immense amounts of tactile feedback, allowing one to - overcome the complexity of using one by putting the knowlege into motor + overcome the complexity of using one by putting the knowledge into motor memory. (There are equivalent usability principles in usability, as well; look up Fitt's Law, for instance.) Three, they all basically do the same thing; @@ -250,9 +275,9 @@ menu remote control space. \layout Comment -In fact, the metaphor is so unsuccessful that any moderately savvy internet +In fact, the metaphor is so unsuccessful that any moderately savvy Internet user will almost immediately come to conceptualize the remote as just another - list of links, albiet a clumsy and inconvenient one. + list of links, albeit a clumsy and inconvenient one. Why not give them that in the first place? \layout Comment @@ -282,7 +307,7 @@ remote \layout Comment 3. - By commiting to this + By committing to this \begin_inset Quotes eld \end_inset @@ -291,7 +316,7 @@ remote control \end_inset layout, you commit to a remote control's layout limitations, except that - an actual remote control can get away with a 6pt or smaller font, or wierd + an actual remote control can get away with a 6pt or smaller font, or weird specialized symbols, or whatnot. I'm looking at a (real) remote control right now that manages to get \begin_inset Quotes eld @@ -310,50 +335,8 @@ ROLES \begin_inset Quotes erd \end_inset - button takes up on my printout! So in actuality, you're commiting to something + button takes up on my printout! So in actuality, you're committing to something no sane remote control designer could deal with. - Moreover, I observe that on a real remote, the vast majority of buttons - are labelled with one conceptual entity (i.e., -\begin_inset Quotes eld -\end_inset - -1 -\begin_inset Quotes erd -\end_inset - -, -\begin_inset Quotes eld -\end_inset - -5 -\begin_inset Quotes erd -\end_inset - -, -\begin_inset Quotes eld -\end_inset - -FF -\begin_inset Quotes erd -\end_inset - -, -\begin_inset Quotes eld -\end_inset - -[the pause symbol] -\begin_inset Quotes erd -\end_inset - -, etc)., not -\begin_inset Quotes eld -\end_inset - -Change User -\begin_inset Quotes erd -\end_inset - - which is two entities by my count, at least for an initial user. \layout Comment \SpecialChar ~ @@ -376,7 +359,7 @@ Change User The upshot is that the only upside to the remote control is a moderately pleasing graphic; the downsides are pretty much everything, up to and including - possible illegality under accessability laws. + possible illegality under accessibility laws. Unfortunately, I do not see any way to salvage any aspect of the remote control; it's going to suck until it's replaced. Pleasing graphics are relatively easy to come by nowadays; it should not @@ -389,8 +372,7 @@ The upshot is that the only upside to th \layout Comment -Also, based on my relatively little info, I think you're data-mining the - web logs to see what people actually use. +We're data-mining the web logs to see what people actually use. This is good. We may need to do some really simple stuff before he finishes. Raw statistics on what buttons are pressed most often can probably be interpret @@ -410,8 +392,8 @@ The Author Remote Control, show in figur , will automatically load whenever you log in to LON-CAPA as the course instructor. - The Author Remote Control is a separate window in your browser, so you - may position it on the screen where you can make the best use of it. + The Author Remote Control is a separate window in your browser, and is + automatically sized and placed in the upper left of the screen. The Remote Control is a tool that allows you to switch between functions and roles within LON-CAPA. @@ -419,7 +401,7 @@ The Author Remote Control, show in figur \layout Standard \align center -\begin_inset Figure size 177 420 +\begin_inset Figure size 180 420 file authorRemote.eps height 3 50 flags 9 @@ -485,22 +467,22 @@ RES (RESOURCE SPACE) \series bold -EGRD (ENTER GRADES) +SRC (SEARCH LIBRARY) \series default - is used to enter grades for students enrolled in your course. + brings up a screen that lets you search the LON-CAPA resources using multiple + criteria. \layout Itemize \series bold -SRC (SEARCH LIBRARY) +PREF (PREFERENCES) \series default - brings up a screen that lets you search the LON-CAPA resources using multiple - criteria. + brings up a screen that allows you to change some preferences. \layout Itemize \series bold -LOGOUT (LOGOUT) +EXIT (LOGOUT) \series default will log you out of the LON-CAPA system. \layout Section @@ -525,11 +507,16 @@ Content Page \end_inset displays course content. - It is mostly a conventional HTML page. - -\layout Comment + It is essentially a conventional HTML page. + These resources use the extension +\begin_inset Quotes eld +\end_inset -Check this; is it exactly like HTML pages? +.html +\begin_inset Quotes erd +\end_inset + +. \layout Itemize A @@ -556,26 +543,26 @@ Problem A \series bold -Map +Sequence \series default -\begin_inset LatexCommand \index{Map} +\begin_inset LatexCommand \index{Sequence} \end_inset - resource of the + is a type of \series bold -Sequence -\begin_inset LatexCommand \index{Sequence} +Map +\series default -\end_inset +\begin_inset LatexCommand \index{Map} +\end_inset -\series default - type represents a programmed series of events. - The users of this resource can use array keys or NAV buttons to follow - the sequence. - These resources are stored in files that must use the extension + which is used to link other resources together. + The users of this resource can use directional buttons on their remote + or the NAV button to follow the sequence. + Sequences are stored in files that must use the extension \begin_inset Quotes eld \end_inset @@ -584,39 +571,28 @@ Sequence \end_inset . -\layout Comment - -What -\begin_inset Quotes eld -\end_inset - -arrow keys -\begin_inset Quotes erd -\end_inset - -? Surely not the ones on the keyboard\SpecialChar \ldots{} - + Sequences can contain other sequences and pages. \layout Itemize A \series bold -Map +Page \series default -\begin_inset LatexCommand \index{Map} +\begin_inset LatexCommand \index{Page} \end_inset - resource of the + is a type of \series bold -Page -\series default - -\begin_inset LatexCommand \index{Page} +Map +\begin_inset LatexCommand \index{Map} \end_inset - type display multiple resources together. + +\series default + which is used to join other resources together into one HTML page. For example, a page of problems will appears as a problem set. These resources are stored in files that must use the extension \begin_inset Quotes eld @@ -652,21 +628,15 @@ Construction Space \end_inset -\end_float -The Construction Space, as seen in figure -\begin_inset LatexCommand \ref{Construction Space Figure} - -\end_inset +\layout Standard -, is the section of LON-CAPA where you create and manage your course resources. - The Construction Space consists of a green tool bar at the top of the page - and a list of all directories and resources below. +Contents of the Construction Space: \layout Standard \begin_inset Tabular - + @@ -858,6 +828,14 @@ Type a name in the entry box to create a \end_inset +\end_float +The Construction Space, as seen in figure +\begin_inset LatexCommand \ref{Construction Space Figure} + +\end_inset + +, is the section of LON-CAPA where you create and manage your course resources. + The figure explains what each button does. \layout Subsection How to Create New Content Pages @@ -873,16 +851,23 @@ How to Create New Content Pages Content Pages \series default are HTML documents that display the course information you are presenting. - These documents can be created in any order. -\layout Comment + +\layout Standard -Is this worth mentioning? +Many users use tools such as Dreamweaver to create web pages. + To upload HTML files generated with such tools, you can use the +\series bold +Browse +\series default + button in the Construction Space, locate your HTML file, and use the +\series bold +Upload File +\series default + button to create a content page in LON-CAPA. + Remember to upload any graphics your generated web pages may have included. \layout Standard To create new Content Pages, do the following: -\layout Comment - -Is step one necessary? I don't see how it could be. \layout Enumerate Click the @@ -890,10 +875,11 @@ Click the CSTR \series default button on the LON-CAPA remote. - You web page will change to your Construction Space. + Your web page will change to your Construction Space. \layout Enumerate -In Location bar of your browser, type in full URL of the new Content Page. +In the Location bar of your browser, type in the full URL of the new Content + Page. Make sure the last part of the URL ends with \begin_inset Quotes eld \end_inset @@ -903,36 +889,22 @@ In Location bar of your browser, type in \end_inset , for example, +\newline + \emph on -http://www.s10.lite.msu.edu/priv/\SpecialChar \- -directory/new_resource.html +http://www.s10.lite.msu.edu/priv/username/new_resource.html \emph default -. - Press the Return or Enter key. -\layout Enumerate - -You should see something like the following message: -\series bold -File not found: /home/wmsonj/priv/\SpecialChar \- -directory/new_resource.html -\series default -, and an Edit button. - Click the -\begin_inset Quotes eld -\end_inset - -Edit -\begin_inset Quotes erd -\end_inset - - button, and an HTML editor will open with a simple page template. + . +\newline +Press the Return or Enter key. \layout Enumerate Type the content into the editor, \emph on OR \emph default - copy and paste HTML source code into the editor. + copy and paste HTML source code obtained through the use of some other + HTML authoring program into the editor. \layout Enumerate Optionally, click the @@ -958,12 +930,34 @@ Save and then attempt to clean HTML \layout Standard Repeat this process as many times as necessary to create your Content Pages. + +\layout Standard + +If you're following this as a tutorial, create at least one content page, + which we'll use later as raw material. +\begin_float footnote +\layout Standard + +Visit the FAQ at +\family typewriter +http://help.lon-capa.org/ +\family default + if you get +\begin_inset Quotes eld +\end_inset + +unmatched tag +\begin_inset Quotes erd +\end_inset + + warnings. +\end_float \layout Subsection How to Edit Existing Content Pages \layout Standard -You may edit any any Content Pages that have been created. +You may edit any Content Pages that have been created. \layout Standard To edit Content Pages: @@ -982,15 +976,12 @@ Click on the link for the name of the Co Content Page. \layout Enumerate -Press the Edit button. - Edit the HTML code, or copy and paste HTML source code into the editor. -\layout Enumerate - -Optionally, click the +Press the \series bold -View +Edit \series default - button to preview your Content Page. + button. + Edit the HTML code, or copy and paste HTML source code into the editor. \layout Enumerate Finally, click the @@ -1007,19 +998,62 @@ Save and then attempt to clean HTML \series default button. If you do not do this, your work will not be saved. +\layout Standard + +Once you've saved your page, you can click the +\series bold +View +\series default + button to preview your Content Page. \layout Subsection Creating Online Problems Using LON-CAPA +\layout Standard + +If you're following this as a tutorial, go ahead and make one of each of + these problem types now. + We'll be using them later as raw material to assemble maps and sequences. +\layout Standard + +While several problem types are listed here, in LON-CAPA, all problems are + actually the same. + All problems are written in XML, which can be obtained and edited with + the +\series bold +EditXML +\series default + button you'll see. + The problem types listed in this manual are actually just templates. + As your knowledge advances, you may wish to play with the XML representation + directly to see what you can do. \layout Subsubsection Problems Types \layout Standard -There are five types of problems that can be created with the LON-CAPA system: - Radio Response, Option Response, String Response, Numerical Response, and - Formula Response. +In this manual we will cover five basic types of problems: Radio Response, + Option Response, String Response, Numerical Response, and Formula Response. You will need to identify which types of problem you want to use and create appropriate questions for your course. +\layout Standard + +The problem editor gives you a testing area where you can try your problems + out, with several different randomizations by varying the +\series bold +Random Seed +\series default +. + If you answer a problem correctly and can no longer enter new answers, + you can get the answer field back by hitting the +\series bold +Reset Submissions +\begin_inset LatexCommand \index{Reset Submissions} + +\end_inset + + +\series default + button. \layout Subsubsection Foils @@ -1034,9 +1068,8 @@ Foil \series default - is a choice in a Radio Response or Option Response problem. - For instance, True/False problems have two foils, one for True, and one - for False. + is the statement after the drop-down box or radio button in a Radio Response + or Option Response problem. Foils do not need to be text; they can be images or other resources. \layout Subsubsection @@ -1052,18 +1085,12 @@ Radio Response \series bold Radio Response \series default - problems represent multiple choice questions. - A True/False problem is a special case of Radio Response problem with two - foils, True or False. -\layout Standard - -Multiple choice problems contain between 3 and 10 foils. - You may display from three to five foils for each problem and the system - randomly picks the choices that are presented to the student. -\layout Comment - -Eh? If this means what I think it means, clarify. - Is the system really incapable of showing eight choices all at once? + problems present a list of foils, with buttons in front. + The student can select +\emph on +one +\emph default + of these statements by clicking the appropriate radio button. \layout Subsubsection Option Response @@ -1074,17 +1101,21 @@ Option Response Problems \layout Standard -Option Response problems present foils to the student with drop-down boxes. - A group of foils is created for each concept group, and the system will - pick one to present to the student from each group. - The student must match each of his or her questions correctly to the possible - answers before receiving credit for the problem. - For more details, see the Create Option Response ( + +\series bold +Option Response +\series default + problems present foils to the student with drop-down boxes. + The student can select the matching choice for the foils from a list of + choices. + Optionally, the foils may be bundled into Concept Groups, and the system + will select one foil from each displayed group to display to the student. + For more details, see Create Option Response in section \begin_inset LatexCommand \ref{Create Option Response Problem} \end_inset -). +. \layout Subsubsection String Response Problems @@ -1103,9 +1134,6 @@ String Response for the answer. Examples of string response questions are vocabulary tests, short answer and entering chemical formulas. -\layout Comment - -Case sensitivity? \layout Standard Note that it is easy to abuse String Response problems. @@ -1142,14 +1170,11 @@ Samuel Clements \begin_inset Quotes erd \end_inset -, then the student will definately get it wrong. +, then the student will definitely get it wrong. There is some room for flexibility in the string processing, but it can be difficult to get it all right. Before you use a String Response problem, be sure you can easily characterize correct answers. -\layout Comment - -Check this stuff. \layout Subsubsection Numerical Response Problems @@ -1166,14 +1191,17 @@ Numerical Response \series default problems are answered by entering a number and (optionally) a unit, such as 2.5 m/s^2. - Tolerance and significant digits can be specified as well. + Tolerance and required significant digits can be specified as well. \layout Subsubsection Formula Response Problems \layout Standard -Formula Response problems are questions in which the student types in a - math formula for the answer. + +\series bold +Formula Response +\series default + problems ask the student to type in a math formula for the answer. If the answer is \begin_inset Formula \( x^{2}-11 \) \end_inset @@ -1190,7 +1218,7 @@ Creating Radio Response Problems \layout Standard \align center -\begin_inset Figure size 476 201 +\begin_inset Figure size 476 202 file creatingNewProblemResource.eps width 3 80 flags 13 @@ -1207,7 +1235,7 @@ Creating A New Problem Resource \end_float -To create an Radio Response +To create a Radio Response \begin_inset LatexCommand \index{Radio Response} \end_inset @@ -1262,10 +1290,10 @@ Radio Response Creation Form \end_float - You will need to create the posible answers and the questions. + You will need to specify the question text and foil statements. \layout Enumerate -In the drop-down option box as seen in +In the drop-down option box as seen in figure \begin_inset LatexCommand \ref{Creating a new problem resource} \end_inset @@ -1286,6 +1314,12 @@ Click the Edit \series default button above the sample problem to enter edit mode. + You should see an editing screen like figure +\begin_inset LatexCommand \ref{Radio Response Creation Form} + +\end_inset + +. \layout Enumerate In the @@ -1314,18 +1348,7 @@ Response: One of N statements \series bold Max Number of Shown Foils \series default - text box, place the number of wrong answers you wish to supply to each - student, in addition to the correct one. - For instance, if you want to display four choices, where one is correct - and three are incorrect, enter -\begin_inset Quotes eld -\end_inset - -3 -\begin_inset Quotes erd -\end_inset - - into this box. + text box, place the number of foils you wish to display to the student. \layout Enumerate Locate @@ -1350,7 +1373,15 @@ Four. \begin_inset Quotes erd \end_inset - + Make sure this is set to +\series bold +true +\series default + in the +\series bold +Correct Option +\series default + field. \layout Enumerate Below it, you will see @@ -1371,7 +1402,15 @@ Purple. \begin_inset Quotes erd \end_inset - + Make sure this is set to +\series bold +false +\series default + in the +\series bold +Correct Option +\series default + field. \layout Enumerate Repeat the previous step until you've filled in all of the other incorrect @@ -1417,6 +1456,15 @@ Scroll down to the Hint element, as show . Type some text that will help students when they answer incorrectly. + You may delete the hint by selecting +\series bold +Yes +\series default + from the +\series bold +Delete +\series default + drop-down box. \layout Enumerate Click the @@ -1442,7 +1490,7 @@ true \series bold true \series default -, so you can have questions with multiple correct answers. +, but only one will be shown to any given student. If it is set to \series bold false @@ -1472,9 +1520,9 @@ Maximum Number of Shown Foils box contains the number of incorrect answers, which will force them to all be displayed. If you wish to force the system to display the foils in the order you have - created them in, type the HTML tag + created them in, type the tag \series bold - + \series default into your problem text. This can be useful with the ever-popular @@ -1487,56 +1535,6 @@ All of the above choice, which must be displayed in the correct place or its meaning will change. -\layout Subsubsection - -True/False -\begin_inset LatexCommand \index{True/False Problem} - -\end_inset - - Problem -\layout Standard - -A True/False problem is a Radio Response problem with two choices, True - and False. - set the -\series bold -Maximum Number of Shown Foils -\series default - to -\begin_inset Quotes eld -\end_inset - -1 -\begin_inset Quotes erd -\end_inset - -, and mark the correct answer -\series bold -true -\series default -. - For example, for the True/False question -\begin_inset Quotes eld -\end_inset - -Napolean conquered Japan in the year 189 A.D. -\begin_inset Quotes erd -\end_inset - -, mark the foil containing the answer -\begin_inset Quotes eld -\end_inset - -False -\begin_inset Quotes erd -\end_inset - - as -\series bold -true -\series default -, because it is the correct answer. \layout Subsection Option Response @@ -1550,13 +1548,16 @@ Option Response \end_inset Problems +\layout Subsubsection + +Option Response problems with Concept Groups \layout Standard \begin_float fig \layout Standard \align center -\begin_inset Figure size 476 280 +\begin_inset Figure size 476 134 file optionResponseProblem.eps width 3 80 flags 9 @@ -1573,7 +1574,7 @@ Option Response Problem \end_float -Each Option Response problem has three parts: +Each Option Response problem can have three parts: \layout Enumerate The Concept Groups @@ -1612,12 +1613,12 @@ Concept Group \series default has some number of foils representing questions which are conceptually related. - Option Response Problems can have between 4 and 8 Concept Groups in a problem. + Option Response Problem Templates are available for 4 and 8 Concept Groups. When the Option Response problem is presented to a student, the LON-CAPA system will randomly select one foil from each Concept Group and present it to the student. - In order to receive credit for the problem, the student must answer all - of the Concept Group foils correctly. + In order to receive credit for the problem, the student must select the + corresponding option from the drop-down box for each given foil. \layout Subsubsection Example: Concept Group @@ -1672,13 +1673,21 @@ For each foil, the author marks it True Example: Matching Problem \layout Standard -You might want to ask the student to match musical compositions with their - composers. +Option Response problems can be used as matching problems as well. +\layout Standard + +For example, you might want to ask the student to match musical compositions + with their composers. You could create an Option Response problem with 4 Concept Groups, and - place the following four things each in one concept group: + place the following four foil groups each in its own concept group: \layout Itemize Claire de Lune +\begin_inset LatexCommand \index{Clair de Lune} + +\end_inset + +, Ballade \begin_float footnote \layout Standard @@ -1686,15 +1695,15 @@ Debussy. \end_float \layout Itemize -The Pastoral Symphony +The Pastoral Symphony, The Ninth Symphony \begin_float footnote \layout Standard -Beethoven's Sixth Symphony. +Beethoven. \end_float \layout Itemize -Sleeping Beauty Suite +Sleeping Beauty Suite, The Dance of the Sugar Plum Fairies \begin_float footnote \layout Standard @@ -1702,11 +1711,11 @@ Tchaikovsky. \end_float \layout Itemize -The Dance of the Sugar Plum Fairies +Slavonic Dances, New World Symphony \begin_float footnote \layout Standard -Also Tchaikovsky, from The Nutcracker. +Dvorak. \end_float \layout Standard @@ -1725,7 +1734,7 @@ Schubert Tchaikovsky \layout Itemize -Bach +Dvorak \layout Standard The same answers can be used more then once, or not at all, as you see fit. @@ -1771,7 +1780,7 @@ problem . \layout Enumerate -In the drop-down option box as seen in +In the drop-down option box as seen in figure \begin_inset LatexCommand \ref{Creating a new problem resource} \end_inset @@ -1845,8 +1854,8 @@ Locate the Max Number of Shown Foils \series default element and type a number from 1 to 8 to display that number of questions. - You cannot display more then one foil from each concept group, so this - option will only reduce the number of foils displayed, if it is less then + You cannot display more than one foil from each concept group, so this + option will only reduce the number of foils displayed, if it is less than the number of concept groups in your Option Response problem. \layout Enumerate @@ -1870,15 +1879,7 @@ Save Changes Save Changes \series default button, your option will not be selectable below. -\layout Enumerate - -To delete the irrelevant options from the Option Response question, select - that option from the -\series bold -Delete Option -\series default - dropdown, and hit the Save Changes button. - Do that for each option you wish to remove. + (You will delete unwanted options in the last step.) \layout Enumerate Now, you need to define the question foils. @@ -1929,12 +1930,66 @@ In the Hint area, provide a helpful hint Save Changes \series default button. +\layout Enumerate + +Make sure all the options you want to delete are not used for any of your + foils +\begin_float footnote +\layout Standard + +If a deleted option is used in a foil, it will appear in a text box in the + +\series bold +Correct Option +\series default + area for that foil. + To make the drop-down box reappear, type an option already defined in the + +\series bold +Select Options +\series default + field, and hit +\series bold +Submit Changes +\series default +. + A drop-down box will reappear. +\end_float +. + To delete the irrelevant options from the Option Response question, select + that option from the +\series bold +Delete an Option +\series default + drop down, and hit the +\series bold +Save Changes +\series default + button. + Do that for each option you wish to remove. +\layout Subsubsection + +Simple Option Response: No Concept Groups +\layout Standard + +If you select +\series bold +Simple Option Response +\series default + from the drop-down box, you get a template that will allow you to enter + up to eight foils with no grouping. + The system will randomly mix these foils when presenting them to the student. + You can have more foils then the +\series bold +Max Num of Shown Foils +\series default + so that each student will not have the identical foils. \layout Subsection Creating a String Response Problem \layout Standard -To create an String Response problem, create a new resource as described +To create a String Response problem, create a new resource as described in section \begin_inset LatexCommand \ref{Creating New Content Pages} @@ -1966,14 +2021,14 @@ problem . \layout Enumerate -In the drop-down option box as seen in +In the drop-down option box as seen in figure \begin_inset LatexCommand \ref{Creating a new problem resource} \end_inset -, select +, select \series bold -Simple String Response Problem + String Response Problem \series default , and click the \series bold @@ -2017,8 +2072,11 @@ String Response Editor . \layout Enumerate -Clear the text from the Text Block at the top of the problem, and type in - your problem's question. +Clear the text from the +\series bold +Text Block +\series default + at the top of the problem, and type in your problem. \layout Enumerate In the @@ -2028,7 +2086,7 @@ Answer Box , type the correct answer. \layout Enumerate -Select the answer condition from the drop down box. +Select the answer condition from the drop-down. There are three cases to choose from: \begin_deeper \layout Enumerate @@ -2046,7 +2104,7 @@ Case Sensitive \end_inset . - For example, this is useful in Chemistry, where HO and Ho are completely + For example, this is useful in chemistry, where HO and Ho are completely different answers \begin_float footnote \end_deeper @@ -2076,7 +2134,7 @@ ci \begin_inset Quotes eld \end_inset -Case Insenstive +Case Insensitive \begin_inset Quotes erd \end_inset @@ -2140,7 +2198,7 @@ Multiple Choice . The student's answers must contain the same letters as the question author's, - but order is unimportent. + but order is unimportant. This is usually used to give a multiple choice question in the question's \series bold @@ -2198,8 +2256,8 @@ abcg . \layout Standard -It is conventional to tell the students whether the question is case sensitive - or not. +It is conventional to inform the students if the problem is case sensitive, + or that the order of the answers doesn't matter. \end_deeper \layout Enumerate @@ -2210,56 +2268,398 @@ Single Line Text Entry Area block and set a length in the Size box. This will only affect the size of the box on the screen; if you set the box size to 2, the student can still enter 3 or more letters in their answer. -\begin_deeper -\layout Comment +\layout Enumerate -This seems like a great feature to either eliminate, or make useful. - Allowing the teacher to limit it to 3, and then not letting the student - type more then 3 chars might be a way of giving the student a hint. - Probably not worth it, as the problem text can always just say -\begin_inset Quotes eld +Scroll down to the +\series bold +Hint +\series default + element, and type some text that will help students when they answer incorrectl +y, or delete the hint by setting the +\series bold +Delete +\series default + field to +\series bold +Yes +\series default +. +\layout Enumerate + +Click the +\series bold +Submit Changes +\series default + button. +\layout Subsection + +Creating Numerical Response And Formula Response Problems +\layout Standard + +Numerical Response problems are answered by entering a number and an optional + unit. + For instance, a numerical response problem might have an answer of +\begin_inset Formula \( 2m/s^{2} \) \end_inset -Pick two of the following -\begin_inset Quotes erd +. + Formula Response problems are answered by entering a mathematical formula. + For instance, a numerical response problem might have an answer of +\begin_inset Formula \( x^{2}+11 \) \end_inset . - This is probably not a useful feature. -\end_deeper -\layout Enumerate + The answer may be in any equivalent format. + For instance, for +\begin_inset Formula \( x^{2}+11 \) +\end_inset -Scroll down to the Hint element, and type some text that will help students - when they answer incorrectly. -\layout Enumerate +, the system will also accept +\begin_inset Formula \( x*x+11 \) +\end_inset + + or +\begin_inset Formula \( x^{2}+21-10 \) +\end_inset + +. +\layout Standard + +Creating Numerical Response and Formula Response problems starts the same + as the other problem types, but because of the power of Numerical Response + and Formula Response problems, they are covered in their own section after + the end of the tutorial. + For more information about these problem types, please see section +\begin_inset LatexCommand \ref{Numerical Response} + +\end_inset + + for Numerical Response problems and section +\begin_inset LatexCommand \ref{Formula Response} -Click the Submit Changes button. +\end_inset + + for Formula Response problems. +\layout Section + +Publishing Your Resources +\layout Standard + +In order to make the content you've created available for use in courses, + you must publish your content. + LON-CAPA provides an easy interface for publishing your content pages, + problem resources, and sequences. + You can specify title, author information, keywords, and other metadata. + LON-CAPA uses this metadata for many things, and it's important to fill + the metadata out as accurately as possible. \layout Subsection -Creating Numerical Response -\begin_inset LatexCommand \index{Numerical Response} +What is Metadata? +\begin_inset LatexCommand \index{Metadata} \end_inset -\begin_inset LatexCommand \label{Numerical Response} +\begin_inset LatexCommand \label{What Is Metadata?} \end_inset - Problems + \layout Standard -Numerical Response problems are answered by entering a number and an optional - unit. - For instance, a numerical response problem might have an answer of -\begin_inset Formula \( 2m/s^{2} \) + +\emph on +Metadata +\emph default + is +\emph on +data about data +\emph default +. + Metadata can often be thought of as a label on some bit of information + that can be useful to people or computer programs trying to use the data. + Without metadata, the person or computer trying to use the original information + would have to just guess what the original data is about. + For instance, if you create a problem and neglect to say in the title or + subject of the problem what it is about, then a human who wants to use + that problem would have to read the problem itself to see what it was about, + which is much more difficult than just reading a title. + A computer trying to do the same thing would just be out of luck; it is + too stupid to understand the problem statement at all. +\layout Standard + +One example of metadata is the of a web page, which usually shows + up in the title bar of the browser. + That's information about the web page itself, not actually part of the + web page. + People use the title information when they bookmark a page, so they know + what the page is. + Search engines use it as a clue about the content of the web page. +\layout Subsection + +Publishing A Resource +\begin_inset LatexCommand \index{Resource, Publishing} + +\end_inset + + +\begin_inset LatexCommand \index{Publishing Resource} + +\end_inset + + +\layout Standard + +\begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 476 168 +file constructionSpaceForPublishing.eps +width 3 80 +flags 9 + +\end_inset + + +\layout Caption + +Construction Space for Publishing +\begin_inset LatexCommand \label{Construction Space for Publishing Figure} + +\end_inset + + +\end_float +To publish a resource, log in and choose your role to be an Author. + Then click +\series bold +CSTR +\series default + to go to your construction space. + You should see something like figure +\begin_inset LatexCommand \ref{Construction Space for Publishing Figure} + \end_inset . + Click on the +\series bold +Publish +\series default + button for the resource you wish to publish. +\begin_float fig \layout Standard +\align center -To create an Numerical Response problem, create a new resource as described - in section +\begin_inset Figure size 476 338 +file publishMetadata.eps +width 3 80 +flags 9 + +\end_inset + + +\layout Caption + +Publishing Metadata Screen +\begin_inset LatexCommand \label{Publishing Metadata Screen Figure} + +\end_inset + + +\end_float + You'll get a metadata screen that should look something like figure +\begin_inset LatexCommand \ref{Publishing Metadata Screen Figure} + +\end_inset + +. + Fill out the form. + If you are creating resources that may be used in several courses, you + should talk with the other authors and establish some sort of standard + title and subject scheme in advance. + +\layout Standard + +The +\series bold +Language +\series default + is the language the problem is written in. + The +\series bold +Publisher/Owner +\series default + is the LON-CAPA user who owns the problem. +\layout Standard + +The +\series bold +Keywords +\series default + and the +\series bold +Abstract +\series default + are more information about the problem. + The +\series bold +Keywords +\series default + are words that are strongly connected to your problem; for instance a physics + problem about a pulley might include +\begin_inset Quotes eld +\end_inset + +pulley +\begin_inset Quotes erd +\end_inset + + as a key word. + LON-CAPA pulls out words used in the text of the resource for you so you + can just click on their check boxes to make them keywords. + +\series bold +Additional keywords +\series default + allows you to add any keyword to your problem that are not actually in + the problem. + For instance, on that same problem a physicist might add the keyword +\begin_inset Quotes eld +\end_inset + +statics +\begin_inset Quotes erd +\end_inset + +, even though it doesn't appear in the original problem, because Physics + uses that as a classification of problem type. + +\series bold +Additional Keywords +\series default + are also useful when publishing graphics. +\layout Standard + +Finally, you need to set the copyright and distribution permissions in the + +\series bold +COPYRIGHT/DISTRIBUTION +\series default + drop-down. + This setting controls who is allowed to use your resource as follows: +\layout Comment + +Is this right? +\layout Itemize + + +\series bold +Limited to courses in the domain published +\series default + means that only courses running in the same domain as you can use your + content. + Talk to your LON-CAPA administrator if you want more information about + your domain. +\layout Itemize + + +\series bold +Free +\series default + means that anyone can find and use the resource. +\layout Itemize + + +\series bold +Private - visible to author only +\series default + means that it can't be used for any course. +\layout Itemize + + +\series bold +Public - no authentication required +\series default + means anyone can find and use the resource. +\layout Standard + +Now when you click +\series bold +Finalize Publication +\series default +, your resource will be published and usable (unless you set the distribution + to +\begin_inset Quotes eld +\end_inset + +private +\begin_inset Quotes erd +\end_inset + +). +\layout Standard + +If you're following this as a tutorial, publish your resources so we can + use them in the next section. +\layout Section + +Creating A Course +\begin_inset LatexCommand \label{Creating a Course} + +\end_inset + +: Maps and Sequences +\layout Standard + +In order to create a useful course, we need to arrange our raw materials + so that students can use them. +\layout Subsection + +Creating Sequences +\begin_inset LatexCommand \index{Sequence} + +\end_inset + + +\layout Standard + +A +\series bold +Sequence +\series default + is a series of resources that can be navigated using the +\series bold +NAV +\series default + remote control button, or by using the arrow keys on the remote control. + +\layout Standard + +\begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 238 83 +file mapEditorSelection.eps +width 3 40 +flags 9 + +\end_inset + + +\layout Caption + +Map Editor Selection +\begin_inset LatexCommand \label{Map Editor Selection Figure} + +\end_inset + + +\end_float +To create a Sequence resource, create a new resource as described in section + \begin_inset LatexCommand \ref{Creating New Content Pages} \end_inset @@ -2269,7 +2669,7 @@ To create an Numerical Response problem, \begin_inset Quotes eld \end_inset -problem +sequence \begin_inset Quotes erd \end_inset @@ -2277,171 +2677,542 @@ problem \begin_inset Quotes eld \end_inset -.problem +.sequence \begin_inset Quotes erd \end_inset . - You should see a screen as in figure -\begin_inset LatexCommand \ref{Creating a new problem resource} + After you enter in the URL ending in +\begin_inset Quotes eld +\end_inset + +.sequence +\begin_inset Quotes erd +\end_inset + +, you should see a screen as in figure +\begin_inset LatexCommand \ref{Map Editor Selection Figure} \end_inset . -\layout Enumerate + You can use either the advanced editor or the simplified editor. +\layout Subsection -In the drop-down option box as seen in -\begin_inset LatexCommand \ref{Creating a new problem resource} +Creating a Simple .sequence With The Simple Editor +\layout Standard + +\begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 476 250 +file mapSimpleEditor.eps +width 3 80 +flags 9 \end_inset -, select + +\layout Caption + +Simple Map Editor +\begin_inset LatexCommand \label{Simple Map Editor} + +\end_inset + + +\end_float +After creating a new .sequence resource and getting the editor selection + prompt (figure +\begin_inset LatexCommand \ref{Map Editor Selection Figure} + +\end_inset + +), click the \series bold -Simple Numerical Response Problem +Simple Edit \series default -, and click the + button to get to the simple map editor, which appears in figure +\begin_inset LatexCommand \ref{Simple Map Editor} + +\end_inset + +. + +\layout Standard + +The Simple Editor can create .sequences and .pages which are linear, which + means they have no branches or conditions. +\layout Standard + +On the right side of the simple editor is the \series bold -New Problem +Target \series default - button. -\layout Enumerate +, which represents the map you are currently building. + On the left side is the +\series bold +Import +\series default + area, which represents a work area you can use for your convenience to + load and manipulate resource you may wish to include in your map. + Using the three buttons in the middle of the screen, from top to bottom + you can cut things out of the Target, copy from the Target to the Import, + and copy from the Import to the Target, respectively. +\layout Standard -Click the +On both sides of the screen, you can do a Group Search and a Group Import. + A Group Search allows you to run a search, then import selected results + from that search into either directly into your Map, or into your Import + space. + Checkboxes will appear next to the results in the Group Search, and you + can click the resource you wish to add to your map in the order that you + want them added. + After you select the resource, you will be presented with a screen that + allows you to change the order of the selected resources, then you will + be able to import the selected resources and work with them. +\layout Standard + +A Group Import works in a similar fashion, but allows you to use the LON-CAPA + network browser to select your resources. +\layout Standard + +On the Import side, you can also browse for another Map, and load the resources + used in that map into your Import workspace. + You can also discard the selected resources, clear all the resources, and + view the selected resource from the buttons on the Import side of the screen. + +\layout Standard + +Both list boxes support standard multi-select mechanisms as used in your + OS. +\layout Subsection + +Creating a Simple .sequence With The Advanced Editor +\layout Standard + +After creating a new .sequence resource and getting the editor selection + prompt (figure +\begin_inset LatexCommand \ref{Map Editor Selection Figure} + +\end_inset + +), click the \series bold -Edit +Advanced Edit \series default - button above the sample problem to enter edit mode. + button to get to the advanced map editor. + \begin_float fig \layout Standard \align center -\begin_inset Figure size 476 302 -file numericalResponseEditor.eps +\begin_inset Figure size 476 205 +file mapAdvancedEditorNew.eps width 3 80 -flags 9 +flags 11 \end_inset \layout Caption -Numerical Response Editor -\begin_inset LatexCommand \label{Numerical Response Editor Figure} +Initial Map Editor +\begin_inset LatexCommand \label{Initial Map Editor FIgure} \end_inset \end_float - You should see the String Response editor page open up, which should look - something like what you see in figure -\begin_inset LatexCommand \ref{Numerical Response Editor Figure} +You should see the initial map editor as shown in figure +\begin_inset LatexCommand \ref{Initial Map Editor FIgure} \end_inset . + Note there are two windows: One is the workspace, and one is a secondary + window which will contain information as you add resources. \layout Enumerate -Please refer to the CAPA manual for help with Numerical Response Problems. -\layout Comment +\begin_float fig +\layout Standard +\align center -Copout. - I need this info. -\layout Subsection +\begin_inset Figure size 476 221 +file mapClickedStart.eps +width 3 80 +flags 9 -Creating Formula Response -\begin_inset LatexCommand \index{Formula Response} +\end_inset + + +\layout Caption + +After clicking +\series bold +Start +\series default + in the Map Constructor +\begin_inset LatexCommand \label{Clicked Start Figure} \end_inset -\begin_inset LatexCommand \label{Formula Response} +\end_float +Click the +\series bold +Start +\series default + box. + You'll see what you see in figure +\begin_inset LatexCommand \ref{Clicked Start Figure} \end_inset - Problems +. + Click +\series bold +Link Resource +\series default + in the secondary window, then click on the +\series bold +Finish +\series default + box. +\begin_float fig \layout Standard +\align center + +\begin_inset Figure size 70 210 +file mapStraightened.eps +height 3 25 +flags 9 + +\end_inset + + +\layout Caption + +Straightened Map +\begin_inset LatexCommand \label{Striaghtened map} -Formula Response problems are answered by entering a mathematical formula. - For instance, a numerical response problem might have an answer of -\begin_inset Formula \( x^{2}+11 \) \end_inset + +\end_float + After that, click +\series bold +Straighten +\series default . - The answer may be in any equivalent format. - For instance, for -\begin_inset Formula \( x^{2}+11 \) + You should see something like figure +\begin_inset LatexCommand \ref{Striaghtened map} + \end_inset -, the system will accept -\begin_inset Formula \( x*x-11 \) +. + This creates a simple map that flows from beginning to end. +\layout Enumerate + +\begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 271 252 +file mapInsertResource.eps +height 3 30 +flags 9 + \end_inset - or -\begin_inset Formula \( x^{2}+21-10 \) + +\layout Caption + +Inserting a Resource +\begin_inset LatexCommand \label{Inserting a Resource Figure} + \end_inset - as well. -\layout Standard -To create an Formula Response problem, create a new resource as described - in section -\begin_inset LatexCommand \ref{Creating New Content Pages} +\end_float +To insert a resource into the flow, click the black line with two arrows, + seen between the +\series bold +Start +\series default + and +\series bold +Finish +\series default + boxes in figure +\begin_inset LatexCommand \ref{Striaghtened map} \end_inset . - This is a -\begin_inset Quotes eld + In the secondary window, you'll see something like figure +\begin_inset LatexCommand \ref{Inserting a Resource Figure} + \end_inset -problem -\begin_inset Quotes erd +. + Click +\series bold +Insert Resource Into Link +\series default +. + A new resource box will appear in the link. + Click the resource, which will have the label +\series bold +Res +\series default +. +\layout Enumerate + +Click +\series bold +Browse +\series default +, and the +\series bold +Network Directory Browser +\series default + will appear, +\begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 357 162 +file mapEditorDirectoryBrowser.eps +width 3 60 +flags 9 + \end_inset - resource so the URL must end in -\begin_inset Quotes eld + +\layout Caption + +Network Directory Browser +\begin_inset LatexCommand \label{Map Editor Network Directory Browser Figure} + \end_inset -.problem -\begin_inset Quotes erd + +\end_float + looking something like figure +\begin_inset LatexCommand \ref{Map Editor Network Directory Browser Figure} + \end_inset . - You should see a screen as in figure -\begin_inset LatexCommand \ref{Creating a new problem resource} + Press the +\series bold +SELECT +\series default + button that is next to the resource you want to place in the chosen resource + box. +\begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 42 252 +file mapEditorResourceChosen.eps +height 3 30 +flags 9 \end_inset -. -\layout Enumerate -In the drop-down option box as seen in -\begin_inset LatexCommand \ref{Creating a new problem resource} +\layout Caption + +Resource Chosen +\begin_inset LatexCommand \label{Map Resource Chosen Figure} \end_inset -, select + +\end_float + Once you've done that, if you look back at the window that popped up when + you clicked on \series bold -Simple Formula Problem +New Resource \series default -, and click the +, you'll see something like figure +\begin_inset LatexCommand \ref{Map Resource Chosen Figure} + +\end_inset + +. + You can type the \series bold -New Problem +URL \series default - button. + and +\series bold +Title +\series default + into the secondary window, if you prefer, following the format you see + when you've successfully browsed to a resource. + After you click +\series bold +Save Changes +\series default +, your changes will be set, and the icons for the resource will appear in + the +\series bold +Res +\series default + box, as shown in figure +\begin_inset LatexCommand \ref{Map Resource Chosen Figure} + +\end_inset + +. + Click +\series bold +Save Map +\series default + in the bar above your map to save the map. +\begin_deeper +\layout Standard + +Clicking on the left icon for a resource will open a new browser window + with an informational page about that resource. + Clicking on the right icon for a resource will open a new browser window + taking you to the rendering of that resource. +\end_deeper \layout Enumerate -Click the +Repeat steps two and three for as many resources as you'd like to bind together + into one page. + You can insert the new resources anywhere you'd like. +\layout Enumerate + +When you are done adding resources, click the \series bold -Edit +Save Map \series default - button above the sample problem to enter edit mode. + link to save the map. +\layout Standard + +In addition to manually adding in resources, the Advanced Editor also has + the ability to import resource in the same way that the Simple Editor can: + From a LON-CAPA network browser window, from a Group Search, or from another + Map. +\layout Standard + +The advanced editor has many more capabilities which you can explore. +\layout Subsection + +Page Maps +\layout Standard + +Creating a .page map is the same as creating a sequence map, except that + when choosing the name of the resource, the URL will end with +\begin_inset Quotes eld +\end_inset + +.page +\begin_inset Quotes erd +\end_inset + +. + Then all resources you add in the map editor will appear on one page together. +\layout Standard + +Pages are often used to connect problems in a homework set. +\layout Subsection + +Creating a Course: Top-level Sequence +\layout Standard + +In order to view sequences, they need to be part of a +\series bold +course +\series default +. +\begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 238 231 +file creatingANewCourse.eps +width 3 40 +flags 9 + +\end_inset + + +\layout Caption + +Creating a New Course +\begin_inset LatexCommand \label{Creating a New Course Figure} + +\end_inset + + +\end_float + Courses have a Top-level Map which defines the whole course. + This top-level map will often itself contain maps corresponding to homework + assignments, chapters, or units. + To view your maps, you will need to make them part of a course. + Only Domain Coordinators can make courses and set their Top-level maps, + so work with your Domain Coordinator if you need to view your maps. +\layout Section + +Numerical Response +\begin_inset LatexCommand \index{Numerical Response} + +\end_inset + + +\begin_inset LatexCommand \label{Numerical Response} + +\end_inset + + And Formula Response Questions +\layout Standard + +Numerical Response problems are very powerful. + In fact, they are so powerful it would be impossible to fully explain what + is possible in a document like this. + This chapter will focus on getting you started with Numerical Response + problems, and showing you some of the possibilities, with no prerequisite + knowledge necessary. + The more you learn, the more you will find you can do. +\layout Standard + +If you like, you can follow this chapter along as its own tutorial. + Create a Numerical Response problem using the instructions in section +\begin_inset LatexCommand \ref{Creating New Content Pages} + +\end_inset + +, ending your resource name with +\begin_inset Quotes eld +\end_inset + +.problem +\begin_inset Quotes erd +\end_inset + +, and create a new +\series bold +Simple Numerical Response +\series default + problem. +\layout Subsection + +The Parts of a Numerical Response Problem +\layout Standard + \begin_float fig \layout Standard \align center -\begin_inset Figure size 476 302 -file numericalResponseEditor.eps +\begin_inset Figure size 476 356 +file numericalResponse1.eps width 3 80 flags 9 @@ -2450,142 +3221,732 @@ flags 9 \layout Caption -Numerical Response Editor +Numerical Response editor \begin_inset LatexCommand \label{Numerical Response Editor Figure} \end_inset \end_float - You should see the Formula Response editor page open up, which should look - something like what you see in figure +A Numerical Response problem has seven major parts by default, as seen in + figure \begin_inset LatexCommand \ref{Numerical Response Editor Figure} \end_inset +: +\layout Enumerate + +The +\series bold +Script +\series default +. + The script is the heart of advanced Numerical Response problems. + It can be used to decide some of the parameters of the problem, compute + the answer to the problem, and do just about anything else you can imagine. + The Script language is +\series bold +Perl +\series default . + You do not need to know Perl to use the +\series bold +Script +\series default +block, as we will be stepping through some advanced examples in this chapter, + but knowing Perl can help. \layout Enumerate -Please refer to the CAPA manual for help with Numerical Response Problems. -\layout Comment +Like other problem types, the +\series bold +Text Block +\series default + is used to display the problem the student will see. + In addition, you can place variables in the +\series bold +Text Block +\series default + based on computations done in the +\series bold +Script +\series default +. +\layout Enumerate -Copout. - I need this info. -\layout Section +The +\series bold +Answer +\series default + is the answer the system is looking for. + This can also use parameters from the +\series bold +Script +\series default + block, allowing the answer to be computed dynamically. +\layout Enumerate -Publishing Your Course +A +\series bold +tolerance +\begin_inset LatexCommand \index{tolerance} + +\end_inset + + +\series default + parameter, which determines how closely the system will require the student's + answer to be in order to count it correct. + For technical reasons, it is almost never a good idea to set this parameter + to zero +\begin_float footnote \layout Standard -In order to make the content you've created available for courses to use, - you must publish your content. - LON-CAPA provides an easy interface for publishing your content pages, - problem resources, and sequences. - A common interface allows you to specify title, author information, keywords, - and other metadata. - LON-CAPA uses this metadata for many things, and it's importent to fill - the metadata out as accurately as possible. -\layout Subsection +Computers can only approximate computations involving real numbers. + For instance, a computer's [decimal] answer to the simple problem +\begin_inset Formula \( \frac{1}{3} \) +\end_inset -What is Metadata? -\begin_inset LatexCommand \index{Metadata} + is +\begin_inset Quotes eld +\end_inset + +0.33333333333333331 +\begin_inset Quotes erd +\end_inset + +. + It +\emph on +should +\emph default + be an infinite series of 3's, and there certainly shouldn't be a +\begin_inset Quotes eld +\end_inset +1 +\begin_inset Quotes erd \end_inset + in the answer, but no computer can represent an infinitely long, infinitely + detailed real number. + Therefore, for any problem where the answer is not a small integer, you + +\emph on +need +\emph default + to allow a tolerance factor, or the students will find it nearly impossible + to exactly match the computers idea of the answer. +\end_float +, though you may find the default too large for some problems. + There are two kinds of tolerance. + For some answer +\begin_inset Formula \( a \) +\end_inset -\begin_inset LatexCommand \label{What Is Metadata?} + and a tolerance +\begin_inset Formula \( t \) +\end_inset + +, +\begin_deeper +\layout Enumerate + +an +\series bold +Absolute +\series default + tolerance +\begin_inset LatexCommand \index{absolute tolerance} \end_inset +\begin_inset LatexCommand \index{tolerance, absolute} + +\end_inset + + will take anything in the range +\begin_inset Formula \( a\pm t \) +\end_inset + +. + So if +\begin_inset Formula \( a=10 \) +\end_inset + + and +\begin_inset Formula \( t=2 \) +\end_inset + +, then anything between 8 and 12 is acceptable +\begin_float footnote +\end_deeper \layout Standard +For much the same reasons a tolerance is almost always a good idea, it's + almost impossible to say whether an answer that is +\emph on +exactly +\emph default + +\begin_inset Formula \( a\pm t \) +\end_inset + + will be accepted by the computer. + But the computer does use many decimal places of accuracy; if you want + to have the student answer exactly +\begin_inset Quotes eld +\end_inset + +2 +\begin_inset Quotes erd +\end_inset + +, then specifying a tolerance of +\begin_inset Quotes eld +\end_inset + +.0000001 +\begin_inset Quotes erd +\end_inset + is OK. + (Don't use too many more zeros, though you can use less if you like.) +\end_float +. + Any number in the tolerance field \emph on -Metadata +without \emph default - is + a +\series bold +% +\series default + symbol is an absolute tolerance. +\begin_deeper +\layout Enumerate + +a +\series bold +Relative +\series default + tolerance +\begin_inset LatexCommand \index{relative tolerance} + +\end_inset + + +\begin_inset LatexCommand \index{tolerance, relative} + +\end_inset + + will take anything in the range +\begin_inset Formula \( a\pm at \) +\end_inset + +, where \emph on -data about data +t \emph default + is interpreted as a percentage. + Any number in the tolerance field +\emph on +followed by +\emph default + a +\series bold +% +\series default + symbol is a relative tolerance. + For example, +\begin_inset Formula \( a=10 \) +\end_inset + + and +\begin_inset Formula \( t=10\% \) +\end_inset + + will accept anything between 9 and 11. + +\end_deeper +\layout Enumerate + +A +\series bold +significant figures +\series default + specification tells the system how many significant figures there are in + the problem, as either a single number or a range of acceptable values, + expressed as +\series bold +min,max +\series default . - Metadata can often be thought of as a label on some bit of information - that can be useful to people or computer programs trying to use the data. - Without metadata, the person or computer trying to use the original information - would have to just guess what the original data is about. - For instance, if you create a problem and neglect to say in the title or - subject of the problem what it is about, then a human who wants to use - that problem would have to read the problem itself to see what it was about, - which is much more difficult then just reading a title. - A computer trying to do the same thing would just be out of luck; it is - too stupid to understand the problem statement at all. -\layout Standard + The system will check to make sure that the student's answer contains this + many significant digits, useful in many scientific calculations. + For example, if the problem has three significant digits, the significant + digit specification is +\begin_inset Quotes eld +\end_inset -One example of metadata you use all the time is the <TITLE> of a webpage, - which usually shows up in the title bar of the browser. - That's information about the webpage itself, not actually part of the web - page. - People use it when they bookmark a page, so they know what the page is. - Search engines use it as a clue about the content of the web page. +3 +\begin_inset Quotes erd +\end_inset + +, and the answer is +\begin_inset Quotes eld +\end_inset + +1.3 +\begin_inset Quotes erd +\end_inset + +, the system will require the students to type +\begin_inset Quotes eld +\end_inset + +1.30 +\begin_inset Quotes erd +\end_inset + +, even though numerically, +\begin_inset Quotes eld +\end_inset + +1.3 +\begin_inset Quotes erd +\end_inset + + and +\begin_inset Quotes eld +\end_inset + +1.30 +\begin_inset Quotes erd +\end_inset + + are the same. + A significant figure specification of +\begin_inset Quotes eld +\end_inset + +3,4 +\begin_inset Quotes erd +\end_inset + + means both +\begin_inset Quotes eld +\end_inset + +1.30 +\begin_inset Quotes erd +\end_inset + + and +\begin_inset Quotes eld +\end_inset + +1.300 +\begin_inset Quotes erd +\end_inset + + are acceptable. +\layout Enumerate + +The +\series bold +Single Line Text Entry +\series default + area, as in other problems, allow you to manipulate the text entry area + the student will see. +\layout Enumerate + +Finally, the +\series bold +Hint +\series default + should contain text which will help the students when they answer incorrectly. \layout Subsection -Publishing A Resource -\begin_inset LatexCommand \index{Resource, Publishing} +Simple Numerical Response Answer +\layout Standard + +Along with showing the Numerical Response editor, figure +\begin_inset LatexCommand \ref{Numerical Response Editor Figure} \end_inset + also shows the parameters for one of the simplest possible types of numerical + response. + The +\series bold +Text Block +\series default + has the problem's question, which is the static text +\begin_inset Quotes eld +\end_inset -\begin_inset LatexCommand \index{Publishing Resource} +What is 2 + 2? +\begin_inset Quotes erd +\end_inset + + The +\series bold +Answer +\series default + is +\begin_inset Quotes eld +\end_inset +4 +\begin_inset Quotes erd \end_inset +. + The +\series bold +Hint +\series default + has been set to something appropriate for this problem. + Everything else has the default values from when the problem was created. +\layout Standard +If you create a problem like this, hit +\series bold +Submit Changes +\series default +, then hit +\series bold +View +\series default + after the changes have been submitted, you can try the problem out for + yourself. + Note the last box in the HTML page has the answer LON-CAPA is looking for + conveniently displayed for you, along with the range the computer will + accept and the number of significant digits the computer requires when + viewed by an +\series bold +Author +\series default +. \layout Standard -\begin_float fig +As you're playing with the problem, if you use up all your tries or get + the answer correct but wish to continue playing with the problem, use the + +\series bold +Reset Submissions +\series default + button to clear your answer attempts. + +\layout Subsection + +Simple Script Usage \layout Standard -\align center -\begin_inset Figure size 476 168 -file constructionSpaceForPublishing.eps -width 3 80 -flags 9 +Totally static problems only scratch the surface of the Numerical Response + capabilities. + To really explore the power of LON-CAPA, we need to start creating dynamic + problems. + But before we can get to truly dynamic problems, we need to learn how to + work with the +\series bold +Script +\begin_inset LatexCommand \index{Script} \end_inset -\layout Caption +\series default + window. +\layout Standard -Construction Space for Publishing -\begin_inset LatexCommand \label{Construction Space for Publishing Figure} +A script consists of several +\series bold +statements +\series default +, separated by +\series bold +semi-colons +\series default +. + A +\series bold +statement +\begin_inset LatexCommand \index{statement} \end_inset +\series default + is the smallest kind of instruction to the computer. + Most problems will be built from several statements. + +\layout Standard + +A script can contain +\series bold +comments +\series default +, which are not interpreted as statements by the computer. + Comments start with +\series bold +# +\series default +, and go to the end of that line. + Thus, if a line starts with #, the whole line is ignored. + Comments can also begin in the middle of a line. + It is a good idea to comment more complicated scripts, as it can be very + difficult to read a large script and figure out what it does. + It is a +\emph on +very +\emph default + good idea to adopt some sort of commenting standard, especially if you + are working in a group or you believe other people may use your problems + in the future. +\layout Itemize + +One of the simplest statements in LON-CAPA is a +\series bold +variable assignment +\series default +. + A +\series bold +variable +\series default + can hold any value in it. + The variable name must start with a +\series bold +$ +\series default +. + In the +\series bold +Script +\series default +, you need to assign to variables before you use them. + Put this program into the +\series bold +Script +\series default + field of the Numerical Response: +\begin_deeper +\layout LyX-Code + +$variable = 3; +\layout Standard + +This creates a variable named +\series bold +variable +\series default + and assigns it the value of +\begin_inset Quotes eld +\end_inset + +3 +\begin_inset Quotes erd +\end_inset + +. + That's one statement. +\end_deeper +\layout Standard + +Variable names are +\emph on +case sensitive +\emph default +, must start with a letter, and can only consist of letters, numbers, and + underscores. + Variable names can be as long as you want. + +\layout Standard + +There are many variable naming conventions, covering both how to name and + how to capitalize variables +\begin_float footnote +\layout Standard + +The author favors +\family typewriter +capsOnNewWords +\family default +. + Some people use +\family typewriter +underscore_to_separate_words +\family default +. + Many use uppercase letters to specify constants like +\family typewriter +PI +\family default + or +\family typewriter +GOLDEN_MEAN +\family default +. + Some people always +\family typewriter +StartWithCapatalization +\family default +. + What's really important is to be consistent, so you don't have to guess + whether the variable you're thinking of is +\family typewriter +coefFriction +\family default +, +\family typewriter +CoefFriction +\family default +, +\family typewriter +COEF_FRICTION +\family default +, or something else. \end_float -To publish a resource, log in and choose your role to be an Author. - Then click +. + It is a good idea to adopt a standard. + If you are working with a group, you may wish to discuss it in your group + and agree on a convention. + +\layout Standard + +If you \series bold -CSTR +Submit Changes \series default - to go to your construction space. - You should see something like figure -\begin_inset LatexCommand \ref{Construction Space for Publishing Figure} + and +\series bold +View +\series default + the problem, you'll see nothing has changed. + That's because in order for a variable to be useful, it must be used. + The variable can be used in several places. +\layout Subsubsection + +Variables in Scripts +\layout Standard + +Variables can be used later in the same script. + For instance, we can add another line below the +\family typewriter +$variable +\family default + line as such: +\layout LyX-Code + +$variable2 = $variable + 2; +\layout Standard +Now there is a variable called +\family typewriter +$variable2 +\family default + with the the number +\begin_inset Quotes eld +\end_inset + +5 +\begin_inset Quotes erd +\end_inset + + as its value. + +\layout Standard + +Variables can also be used in +\emph on +strings +\emph default + +\begin_inset LatexCommand \index{strings} + +\end_inset + +, which are a sequence of letters. + The underlying language of the script, Perl, has a very large number of + ways of using variables in strings, but the easiest and most common way + is to use normal double-quotes and just spell out the name of the variable + you want to use in the string, like this: +\layout LyX-Code + +$stringVar = +\begin_inset Quotes eld +\end_inset + +I have a variable with the value $variable. +\begin_inset Quotes erd +\end_inset + + +\layout Standard + +This will put the string +\begin_inset Quotes eld +\end_inset + +I have a variable with the value 3. +\begin_inset Quotes erd +\end_inset + + into the variable named +\begin_inset Quotes eld +\end_inset + +stringVar +\begin_inset Quotes erd \end_inset . - Click on the +\layout Standard + +If you are following this chapter as a tutorial, add the previous two lines + to your \series bold -Publish +Script \series default - button for the resource you wish to publish. + and submit the changes for the problem. + There's no need to view it; there's still no visible change. +\layout Subsubsection + +Variables in the Text Block +\layout Standard + +Once you've defined variables in the +\series bold +Script +\series default +, you can use them in the +\series bold +Text Block +\series default +. + For example, using the previous three-line script we've created so far, + you can place the following in the +\series bold +Text Block +\series default +: +\layout LyX-Code + +See the 3: $variable<br /> +\layout LyX-Code + +See the string: <b>$stringVar</b><br /> +\layout Standard + \begin_float fig \layout Standard \align center -\begin_inset Figure size 476 338 -file publishMetadata.eps -width 3 80 +\begin_inset Figure size 353 99 +file numericalResponseVarInText.eps flags 9 \end_inset @@ -2593,183 +3954,805 @@ flags 9 \layout Caption -Publishing Metadata Screen -\begin_inset LatexCommand \label{Publishing Metadata Screen Figure} +Result of Variables in the Text Block +\begin_inset LatexCommand \label{Result of Variables in the Text Block Figure} \end_inset \end_float - You'll get a metadata screen that should look something like figure -\begin_inset LatexCommand \ref{Publishing Metadata Screen Figure} +If you save that and hit +\series bold +View +\series default +, you should get what you see in figure +\begin_inset LatexCommand \ref{Result of Variables in the Text Block Figure} \end_inset . - Fill out the form. - If you are creating resources that may be used in several courses, you - should talk with the other authors and establish some sort of standard - title and subject scheme in advance. - -\layout Standard + Note how the +\begin_inset Quotes eld +\end_inset + +$variable +\begin_inset Quotes erd +\end_inset + + was turned into a 3, and the +\begin_inset Quotes eld +\end_inset + +$stringVar +\begin_inset Quotes erd +\end_inset + + was turned into +\begin_inset Quotes eld +\end_inset + +I have a variable with the value 3. +\begin_inset Quotes erd +\end_inset + -The language is the language the problem is written in. - The Publisher/Owner is the person who owns the problem; it should be the - email address where anybody with questions about the resource can contact - someone who can help them. - In smaller environments, this is likely to be the author. - In larger environments, it may be a coordinator or manager. +\layout Subsubsection + +Variables in the Answer Block \layout Standard -The +You can use variables in the \series bold -Keywords +Answer \series default - and the + part of the question, too. + This means you can compute an answer to a question, which we'll see in + a bit. + If you set the answer of the question to be \series bold -Abstract +$variable \series default - are more information about the problem. - The +, \series bold -Keywords +Save Changes \series default - are words that are strongly connected to your problem; for instance a physics - problem about a pulley might include + and +\series bold +View +\series default + it, you'll see that LON-CAPA is now expecting \begin_inset Quotes eld \end_inset -pulley +3.0 \begin_inset Quotes erd \end_inset - as a key word. - LON-CAPA pulls out likely-looking keywords for you so you can just click - on them to make them keywords. + as the answer, plus or minus 5%. +\layout Subsection + +Calling Functions +\layout Standard + +With variables, you can store strings or numbers. \series bold -Additional keywords +Functions \series default - allows you to add any keyword to your problem that are not actually in - the problem. - For instance, on that same problem a physicist might add the keyword -\begin_inset Quotes eld + allow you to manipulate these strings or numbers. + Functions work like mathematical functions: They take some number of arguments + in, and return one argument, usually a number or a string for our purposes. + There are a lot of functions available in LON-CAPA. + You can see a complete list at http://mileva.lite.msu.edu/loncapadocs/homework/hom +ework5.html. + For now, let's just look at some simple examples. +\layout Standard + +\begin_float fig +\layout LyX-Code + +$a = -3.0; +\layout LyX-Code + +$b = &sin($a); +\layout LyX-Code + +$c = &pow(3.0, &abs($a)); +\layout Caption + +Some Function Calls +\begin_inset LatexCommand \label{Some Function Calls Figure} + \end_inset -statics -\begin_inset Quotes erd + +\end_float +In the +\series bold +Script +\series default + block, function names start with +\series bold +& +\series default +. + Some example function calls are shown in figure +\begin_inset LatexCommand \ref{Some Function Calls Figure} + \end_inset -, even though it doesn't appear in the original problem, because Physics - uses that as a classification of problem type. +. + You can see that functions can take either variables, numbers, or the results + of other function calls as parameters. + The +\family typewriter +&sin +\family default + function returns the sine of an angle expressed in radians. + +\family typewriter +&pow +\family default + raises the first parameter to the power of the second parameter. +\family typewriter +&abs +\family default + returns the absolute value of the argument. +\layout Subsubsection + +Randomization +\begin_inset LatexCommand \index{Randomization} + +\end_inset + + \layout Standard -Finally, you need to set the copyright and distribution notice. - This setting controls who is allowed to use your resource. +For LON-CAPA, one of the most important functions is the +\family typewriter +random +\family default + function. + Random takes three parameters: a +\emph on +lower limit +\emph default +, an +\emph on +upper limit +\emph default +, and an +\emph on +interval +\emph default +. + The +\family typewriter +&random +\family default + function returns a random value between the upper and lower limit, some + integer number of +\emph on +interval +\emph default +'s away from the lower limit. + Thus, for example, +\family typewriter +&random(1,2,.2) +\family default + might return 1, 1.2, 1.4, 1.6, 1.8, or 2. -\layout Itemize +\family typewriter +&random +\family default + uses a uniform distribution. + Other distributions are available in LON-CAPA, and can be found by consulting + the function list. +\layout Standard + +\begin_float fig +\layout LyX-Code + +$a = &random(1.0,10.0,1.0); +\layout LyX-Code + +$b = &random(-10.0, -3.0, 1.0); +\layout LyX-Code + +$answer = $a+$b; +\layout Caption + +Sample +\family typewriter +random +\family default + Calls +\begin_inset LatexCommand \label{Sample Random Calls figure} +\end_inset + + +\end_float +If you put the script in figure +\begin_inset LatexCommand \ref{Sample Random Calls figure} +\end_inset + + into the \series bold -Limited to courses in the domain published +Script \series default - means that only courses running in the same domain as you can use your - content. - Talk to your LON-CAPA administrator if you want more information about - your domain. -\layout Itemize + block (replacing whatever contents might be in the block already), you'll + get two random variables $a and $b. + Now, in the +\series bold +Text Block +\series default +, put +\begin_inset Quotes eld +\end_inset +What is $a plus $b? +\begin_inset Quotes erd +\end_inset +, and in the \series bold -Free +Answer \series default - means that anyone can find and use the resource. -\layout Itemize + put +\begin_inset Quotes eld +\end_inset +$answer +\begin_inset Quotes erd +\end_inset +, without the quotes for either of them. + (It is a good idea to create a variable to hold the answer and call it + $answer, or some other reasonably standard name. + Do not try to compute the answer in the \series bold -Private - visible to author only +Answer \series default - means that it can't be used for any course. -\layout Itemize + field itself; it will not work as you expect.) Now save the problem and + +\series bold +View +\series default + it. + You'll see a randomized problem. +\layout Standard + +For each student, the same random number will be used each time they visit + the problem, but each student will get different random numbers. + For any but the simplest random problems, you'll want to see several random + problems to make sure everything is working out correctly. + This is what the +\series bold +Random Seed +\begin_inset LatexCommand \index{Random Seed} + +\end_inset +\series default + field is for. + To see another randomized version of the problem you've just created, put + another number into the \series bold -Public - no authentication required +Random Seed \series default - means anyone can find and use the resource. + field and hit +\series bold +Change +\series default +. + It doesn't really matter what number you put into the field. + But for any given +\series bold +Random Seed +\series default + with the same problem, you'll see the same randomized problem generated + for you. + (If you change the +\series bold +Script +\series default +, you are no longer guaranteed to get the same problem.) \layout Standard -Now when you click +If you're doing this as a tutorial, try a few random seeds to see what happens. +\layout Subsection + +Dynamic, Randomized Problems: Putting It All Together +\layout Standard + +Now you have all the tools to create those wonderful dynamic, randomized + problems that you've seen in LON-CAPA. +\begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 476 197 +file numericalResponseSlopeProblem.eps +width 3 80 +flags 9 + +\end_inset + + +\layout Caption + +Slope Problem Parameters +\begin_inset LatexCommand \label{Slope Problem Parameters Figure} + +\end_inset + + +\end_float + For example, try filling out your problem with the parameters shown in + figure +\begin_inset LatexCommand \ref{Slope Problem Parameters Figure} + +\end_inset + +. + +\layout Standard + +When creating randomized problems, you want to make sure that the problems + always have an answer. + Consider what might happen if I had chosen the two slopes +\emph on +both +\emph default + with the expression +\family typewriter +&random(-1.0,1.0,.2) +\family default +. + One out of ten students would get a problem where both slopes were equal, + which has either no solution (for unequal y-intercepts) or an infinite + number of solutions (for equal slopes and y-intercepts). + Both of these cause a division-by-zero error on the division that computes + the answer. + There are many ways to avoid this, one of the easiest of which is picking + one slope negative and one positive. + This same problem can show up in many other places, too, so be careful. +\layout Subsection + +Units, Format +\layout Standard + +Numerical Response problems can require units. + In the problem editing form, place the desired unit in the \series bold -Finalize Publication +Unit \series default -, your resource will be published and usable (unless you set the distribution - to + field. + For information about what units the system accepts, see http://capa4.lite.msu.edu +/demolibrary/Links/UnitsSymbolsT2.html. + The computer will accept the answer in any of its accepted unit formats. + For example, if the answer to a problem is \begin_inset Quotes eld \end_inset -private +1ft \begin_inset Quotes erd \end_inset -). -\layout Section +, the computer will accept +\begin_inset Quotes eld +\end_inset -Things That Need To Be Added -\layout Subsection +12in +\begin_inset Quotes erd +\end_inset -LON-CAPA and Units -\layout Subsection + as correct. +\layout Standard -Creating a default metadata file -\layout Subsection +Additionally, you can format the number displayed by the computer as the + answer. + For instance, if the answer is one-third, the computer will display that + it computed +\begin_inset Quotes eld +\end_inset + +.333333333 +\begin_inset Quotes erd +\end_inset + + as the answer. + If you'd like to shorten that, you can use the +\series bold +Format +\series default + field. + Format strings like +\begin_inset Quotes eld +\end_inset + +2E +\begin_inset Quotes erd +\end_inset + + (without the quotes) will display three significant digits in scientific + notation. + Format strings like +\begin_inset Quotes eld +\end_inset + +2f +\begin_inset Quotes erd +\end_inset -Detailed number problem info + will display two digits after the decimal point. \layout Subsection -Detailed formula problem info +For More Information +\layout Standard + +The full power of Perl is well outside the scope of this document. + Looking in the function list at +\newline +http://mileva.lite.msu.edu/loncapadocs/homework/homework5.html +\newline +can give you some ideas. + O'Reilly has some good Perl books. + The Perl 5 Pocket Reference will contain more than what you need to know + to use LON-CAPA, available at +\newline +http://www.oreilly.com/catalog/perlpr3/ . +\layout Standard + +If you have any problems, consult http://help.loncapa.org/fom/cache/5.html + . + If you don't find the answer to your problem, please help us expand the + FAQ by submitting a new pending question. +\layout Standard + +Our advanced users often come to prefer the XML interface for the problems, + available through the +\series bold +EditXML +\series default + buttons. + Covering the XML format is beyond the scope of this manual, but you can + learn a lot by using the editor to make changes and seeing what happens + to the XML. \layout Subsection -My questions\SpecialChar \ldots{} +Formula Response +\begin_inset LatexCommand \index{Formula Response} + +\end_inset + + +\begin_inset LatexCommand \label{Formula Response} + +\end_inset + + Problems +\layout Standard + +\begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 476 262 +file formulaResponse.eps +width 3 80 +flags 9 + +\end_inset + + +\layout Caption + +Formula Response Problem +\end_float +Formula response problems asks the student to type in a formula as an answer. + If the answer is +\begin_inset Formula \( 2x^{2}+4 \) +\end_inset + +, the student is allowed to type +\begin_inset Quotes eld +\end_inset + +2*x*x+4 +\begin_inset Quotes erd +\end_inset + +, +\begin_inset Quotes eld +\end_inset + +x*x + x*x + 4 +\begin_inset Quotes erd +\end_inset + +, +\begin_inset Quotes eld +\end_inset + +2*x^2 + 14 - 10 +\begin_inset Quotes erd +\end_inset + +, or any other equivalent expression. + Formula Response problems have many of the same characteristics of Numerical + Response problems, including the ability to run scripts, dynamically generate + answers, etc. + +\layout Standard + +As you may know, it is extremely difficult to determine whether a given + expression is exactly equal to another expression in general. + For example, is +\begin_inset Formula \( \sin 2x=2\sin x\cos x \) +\end_inset + +? Symbolically proving it one way or another is impossible in general. + Therefore, LON-CAPA uses a sampling system. + If your answer and the student's answer agree at the sampling points within + your given tolerance factor, the student's answer will be accepted, otherwise + it will be rejected. +\layout Subsubsection + +Sampling Specifications +\layout Standard + +To specify where to sample the formulas for determining whether the student's + answer is correct, you need to put a sampling specification in the +\series bold +Sample Points +\series default + +\begin_inset LatexCommand \index{Sample Points} + +\end_inset + + field. + The sampling specifications takes the following format: +\layout Enumerate + +A comma separated list of the variables you wish to interpret, +\layout Enumerate + +followed by +\begin_inset Quotes eld +\end_inset + +@ +\begin_inset Quotes erd +\end_inset + + (not in quotes), +\layout Enumerate + +followed by any number of the following two things, separated by semi-colons: +\begin_deeper +\layout Enumerate + +a comma separated list of as many numbers as there are variables, which + specifies one sampling point, OR +\layout Enumerate + +a comma separated list of as many numbers as there are variables, followed + by a colon, followed by another list of as many numbers as there are variables, + followed by a #, followed by an integer. +\end_deeper +\layout Standard + +The first form specifies one point to sample. + The second form specifies a range for each variable, and the system will + take as many random samples from that range as the number after the #. +\layout Standard + +For +\begin_inset Formula \( 2x^{2}+4 \) +\end_inset + +, with one variable +\begin_inset Quotes eld +\end_inset + +x +\begin_inset Quotes erd +\end_inset + +, one could specify +\layout Itemize + + +\begin_inset Quotes eld +\end_inset + +x@2 +\begin_inset Quotes erd +\end_inset + +, which will sample the answers only at 2. + (This is generally a bad idea, as the student could get lucky and match + at that point) +\layout Itemize + + +\begin_inset Quotes eld +\end_inset + +x@1:5#4 +\begin_inset Quotes erd +\end_inset + will takes 4 samples from somewhere between 1 and 5. \layout Itemize -How do I do the things above? + +\begin_inset Quotes eld +\end_inset + +x@1:5#4;10 +\begin_inset Quotes erd +\end_inset + + will takes 4 samples from somewhere between 1 and 5, and also sample at + 10. +\layout Standard + +For +\begin_inset Formula \( 2x^{2}+3y^{3} \) +\end_inset + +, which has two variables, one could specify \layout Itemize -Is there any pre-existing documentation for number or formula problems? + +\begin_inset Quotes eld +\end_inset + +x,y@4,5:10,12#4;0,0 +\begin_inset Quotes erd +\end_inset + +, which take four samples from the box determined by the points (4, 5) and + (10, 12), and also sample the point (0, 0). +\layout Subsubsection + +Formula Notes \layout Itemize -Is there any pre-existing documentation for maps et al? I seem to have exhausted - the documentation. +The formula evaluator can not handle things of the form +\begin_inset Quotes eld +\end_inset + +x + - y +\begin_inset Quotes erd +\end_inset + +. + If you have a random variable that may be positive or negative (as in the + example following this section), you can try wrapping the references to + that variable in parenthesis. + As always, it is a good idea to try out several randomized versions of + your problems to make sure everything works correctly. \layout Itemize -What is the LON-CAPA default resource? If it's free, can just anyone + +\series bold +Never use relative tolerance in Formula Response problems. +\begin_inset LatexCommand \index{tolerance, in formula response} + +\end_inset + + +\begin_inset LatexCommand \index{relative tolerance, in formula response} + +\end_inset + + +\series default + Relative tolerance is poorly defined in Formula Response problems. + Always use absolute tolerance. +\layout Subsubsection + +Example Formula Response +\layout Standard + +A very simple formula response problem: +\layout Standard + +In the +\series bold +Script +\series default +, place the following: +\layout LyX-Code + +$slope = &random(-5.0,5.0,.5); +\layout LyX-Code + +$yint = &random(-5.0,5.0,.5); +\layout LyX-Code + +$answer = \begin_inset Quotes eld \end_inset -find and use it +$slope*x + ($yint) \begin_inset Quotes erd \end_inset -, or just +; +\layout Itemize + +In the +\series bold +Text Block +\series default +, place the following: \begin_inset Quotes eld \end_inset -use it if they already know where it is +For a line with slope $slope and y-intercept $yint, what is y equal to? \begin_inset Quotes erd \end_inset -? (In other words, how powerful is the search feature?) What's the difference - between free and public? -\layout Section + +\layout Itemize + +In the +\series bold +Answer +\series default +, place the following: $answer +\layout Itemize + +Set the Tolerance to .000001. +\layout Itemize + +Set the +\series bold +Sample Points +\series default + to x@0,1,2,3 . +\layout Comment + +TODO: +\layout Comment + +* Get sampling problem figured out +\layout Comment + +\SpecialChar ~ + +\layout Comment + +\SpecialChar ~ + +\newline +\SpecialChar ~ + +\layout Comment Appendix A: Student Interface -\layout Standard +\layout Comment \begin_float fig +\layout Standard +\align center + +\begin_inset Figure size 152 353 +file studentInterface.eps +flags 9 + +\end_inset + + \layout Caption Student Remote Control @@ -2783,61 +4766,53 @@ The Student Remote Control will automati a LON-CAPA course as a student. The Student Remote Control contains most of the functions of the Author Remote Control and the following additional functions. -\layout Itemize +\layout Comment \series bold NAV (NAVIGATE CONTENTS) \series default allows you to directly access resources from the course outline. -\layout Itemize +\layout Comment \series bold ARROWS (LEFT and RIGHT) \series default allows you to move to the backward or forward through the course. -\layout Itemize +\layout Comment \series bold GRDS (MY GRADES) \series default allows you to check your grades in the courses you are taking. -\layout Itemize +\layout Comment \series bold SBKM (SET BOOKMARK) \series default allows you to bookmark pages for easy access. -\layout Itemize +\layout Comment \series bold VBKM (VIEW BOOKMARK) \series default displays your bookmarks for easy access to bookmarked resources. -\layout Itemize +\layout Comment \series bold ANOT (ANOTATE) \series default allows you to create personal notes. -\layout Itemize +\layout Comment \series bold LOGOUT (LOGOUT) \series default will log you out of the LON-CAPA system. -\layout Standard - - -\begin_inset LatexCommand \printindex{} - -\end_inset - - \the_end