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[Stack-cvs] stack-dev/sample_questions test_10.xml, NONE, 1.2.4.2 test-venn.xml, NONE, 1.1.6.2 test_7.xml, 1.2, 1.2.10.1 interaction_element_test.xml, 1.6.6.1, 1.6.6.1.2.1 demo_venn.xml, 1.2, NONE
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From: Simon H. <sim...@us...> - 2010-11-09 16:51:55
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Update of /cvsroot/stack/stack-dev/sample_questions In directory sfp-cvsdas-3.v30.ch3.sourceforge.com:/tmp/cvs-serv25193/sample_questions Modified Files: Tag: item_state_separation test_7.xml interaction_element_test.xml Added Files: Tag: item_state_separation test_10.xml test-venn.xml Removed Files: Tag: item_state_separation demo_venn.xml Log Message: Brought back up to date with big HEAD merge. --- NEW FILE: test-venn.xml --- <?xml version="1.0" encoding="UTF-8"?> <assessmentItem version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><questionCasValues><questionStem type="CasText"><castext><img src="http://chart.apis.google.com/chart?cht=v&chs=200x100&chd=t:@a@,@b@,0,@anb@,0,0&chdl=A|B"> <br/> The size of $A=@a@$, the size of $A \cup B=@aub@$ and the size of $A \cap B = @anb@$. <br/> What is the size of $B$? <br /> #ans# <IEfeedback>ans</IEfeedback></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals>a = 30 + rand(20); b = 40 + rand(50); anb = 5 + rand(20); aub = a+b-anb</rawKeyVals><forbidFloats>false</forbidFloats><simplify>true</simplify></questionVariables><workedSolution type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionNote></questionCasValues><questionparts><questionpart><name>ans</name><inputType type="Meta"><selection>Algebraic Input</selection><default>Algebraic Input</default><values/></inputType><boxsize>5</boxsize><teachersAns type="CasString"><casString>b</casString><forbidFloats>false</forbidFloats><simplify>true</simplify></teachersAns><studentAnsKey>ans</studentAnsKey><syntax type="Meta"><selection></selection><default></default><values/></syntax><stackoption><name>formalSyntax</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>forbidFloats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>insertStars</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>false</selected></stackoption><stackoption><name>sameType</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>lowestTerms</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_LowestTerms</casKey><casType>ex</casType><selected>true</selected></stackoption><inputTypesParameters/></questionpart></questionparts><PotentialResponseTrees/><MetaData><dc:Publisher stackname="lastUserEditor" type="Meta"><selection>2</selection><default></default><values/></dc:Publisher><dc:language stackname="language" type="Meta"><selection>en</selection><default>en</default><values><value key="en">en</value><value key="fr">fr</value><value key="nl">nl</value><value key="es">es</value><value key="unspecified">Unspecified</value></values></dc:language><dc:title stackname="questionName" type="Meta"><selection>test-venn</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" type="Meta"><selection>Demonstrates embedding question variables inside img tags to access third-party graphics api.</selection><default></default><values/></dc:description><dc:publisher stackname="questionPublisher" type="Meta"><selection>http://localhost/stack-dev</selection><default>http://stack.bham.ac.uk/new-stack-dev</default><values/></dc:publisher><dc:format stackname="questionFormat" type="Meta"><selection>text/xml; charset="utf-8"</selection><default>text/xml; charset="utf-8"</default><values><value key="0">application</value><value key="1">audio</value><value key="2">image</value><value key="3">message</value><value key="4">model</value><value key="5">text</value><value key="6">video</value><value key="7">multipart</value></values></dc:format><lom:context stackname="questionLearningContext" type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="PrimaryEducation">Primary Education</value><value key="SecondaryEducation">Secondary Education</value><value key="HigherEducation">Higher Education</value><value key="UniversityFirstCycle">University First Cycle</value><value key="UniversitySecondCycle">University Second Cycle</value><value key="UniversityPostGrade">University Post Grade</value><value key="TechnicalSchoolFirstCycle">Technical School First Cycle</value><value key="TechnicalSchoolSecondCycle">Technical School Second Cycle</value><value key="ProfessionalFormation">Professional Formation</value><value key="ContinuousFormation">Continuous Formation</value><value key="VocationalTraining">Vocational Training</value><value key="unspecified">Unspecified</value></values></lom:context><lom:difficulty stackname="questionDifficulty" type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="VeryEasy">Very Easy</value><value key="Easy">Easy</value><value key="Medium">Medium</value><value key="Difficult">Difficult</value><value key="VeryDifficult">Very Difficult</value><value key="unspecified">Unspecified</value></values></lom:difficulty><questionCompetency type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="Think">Think</value><value key="Argue">Argue</value><value key="Solve">Solve</value><value key="Represent">Represent</value><value key="Language">Language</value><value key="Communicate">Communicate</value><value key="Tools">Tools</value><value key="unspecified">Unspecified</value></values></questionCompetency><questionCompentencyLevel type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="Elementary">Elementary</value><value key="SimpleConceptual">Simple conceptual</value><value key="Multi-step">Multi-step</value><value key="Complex">Complex</value><value key="unspecified">Unspecified</value></values></questionCompentencyLevel><lom:typicallearningtime stackname="questionTimeAllocated" type="Meta"><selection>00:00:00</selection><default>00:00:00</default><values/></lom:typicallearningtime><dc:rights stackname="questionRights" type="Meta"><selection>http://www.gnu.org/copyleft/gpl.html</selection><default>http://www.gnu.org/copyleft/gpl.html</default><values/></dc:rights><questionExerciseType type="Meta"><selection>AlgebraicExpression</selection><default>AlgebraicExpression</default><values><value key="AlgebraicExpression">Algebraic Expression</value><value key="MCQSingleAnswer">MCQ Single Answer</value><value key="MCQMultpleAnswer">MCQ Multiple Answer</value><value key="FillInBlank">Fill in blank</value><value key="Unspecified">Unspecified</value></values></questionExerciseType><dc:date stackname="questionDateLastEdited" type="Meta"><selection>2010-02-08 17:17:40</selection><default>2010-02-08 17:17:22</default><values/></dc:date><lom:status stackname="questionStatus" type="Meta"><selection>Draft</selection><default>Draft</default><values><value key="Draft">Draft</value><value key="Deployed">Deployed</value><value key="Buggy">Buggy</value></values></lom:status><published type="Meta"><selection>Unpublished</selection><default>Unpublished</default><values><value key="Unpublished">Unpublished</value><value key="Published">Published</value><value key="Private">Private</value></values></published><lom:keyword stackname="keywords" type="Meta"><selection>demo, test, venn, sets, size</selection><default>demo, test, venn, sets, size</default><values/></lom:keyword></MetaData><ItemOptions><stackoption><name>Display</name><type>list</type><default>LaTeX</default><values><value>LaTeX</value><value>MathML</value></values><casKey>OPT_OUTPUT</casKey><casType>string</casType><selected>LaTeX</selected></stackoption><stackoption><name>MultiplicationSign</name><type>list</type><default>dot</default><values><value>(none)</value><value>dot</value><value>cross</value></values><casKey>make_multsgn</casKey><casType>fun</casType><selected>dot</selected></stackoption><stackoption><name>ComplexNo</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>make_complexI</casKey><casType>fun</casType><selected>true</selected></stackoption><stackoption><name>Floats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>SqrtSign</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>sqrtdispflag</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>Simplify</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>simp</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>MarkModMethod</name><type>list</type><default>Penalty</default><values><value>Penalty</value><value>First Answer</value><value>Last Answer</value></values><casKey></casKey><casType></casType><selected>Penalty</selected></stackoption><stackoption><name>AssumePos</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey>assume_pos</casKey><casType>ex</casType><selected>false</selected></stackoption><stackoption><name>TeacherEmail</name><type>string</type><default></default><casKey></casKey><casType></casType><selected></selected></stackoption><stackoption><name>Feedback</name><type>list</type><default>TGS</default><values><value>TGS</value><value>TG</value><value>GS</value><value>T</value><value>G</value><value>S</value><value>none</value></values><casKey></casKey><casType></casType><selected>TGS</selected></stackoption><stackoption><name>FeedbackGenericCorrect</name><type>html</type><default><span class='correct'>Correct answer, well done.</span></default><casKey></casKey><casType></casType><selected><span class='correct'>Correct answer, well done.</span></selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default><span class='incorrect'>Incorrect answer.</span></default><casKey></casKey><casType></casType><selected><span class='incorrect'>Incorrect answer.</span></selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default><span class='partially'>Your answer is partially correct.</span></default><casKey></casKey><casType></casType><selected><span class='partially'>Your answer is partially correct.</span></selected></stackoption><stackoption><name>OptWorkedSol</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption></ItemOptions><ItemTests/></assessmentItem> --- demo_venn.xml DELETED --- Index: test_7.xml =================================================================== RCS file: /cvsroot/stack/stack-dev/sample_questions/test_7.xml,v retrieving revision 1.2 retrieving revision 1.2.10.1 diff -C2 -d -r1.2 -r1.2.10.1 *** test_7.xml 23 Jun 2009 14:39:35 -0000 1.2 --- test_7.xml 9 Nov 2010 16:51:38 -0000 1.2.10.1 *************** *** 1,10 **** <?xml version="1.0" encoding="UTF-8"?> <assessmentItem version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><questionCasValues><questionStem type="CasText"><castext>Find the general solution to ! \[ @q@ =0. \] ! $y(t)=$#ans1# <IEfeedback>ans1</IEfeedback> ! <PRTfeedback>Result</PRTfeedback></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals>l1 = 1+(-1)^rand(1)*rand(6); l2 = l1+(-1)^rand(1)*(1+rand(4)); c1 = -1*(l1+l2); c2 = l1*l2; q = 'diff(y(t),t,2)+c1*'diff(y(t),t)+c2*y(t); ta = A*e^(l1*t)+B*e^(l2*t)</rawKeyVals><forbidFloats>false</forbidFloats><simplify>true</simplify></questionVariables><workedSolution type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext>@ta@</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionNote></questionCasValues><questionparts><questionpart><name>ans1</name><inputType type="Meta"><selection>Algebraic Input</selection><default>Algebraic Input</default><values/></inputType><boxsize>15</boxsize><teachersAns type="CasString"><casString>ta</casString><forbidFloats>false</forbidFloats><simplify>true</simplify></teachersAns><studentAnsKey>ans1</studentAnsKey><syntax type="Meta"><selection></selection><default></default><values/></syntax><stackoption><name>formalSyntax</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>false</selected></stackoption><stackoption><name>forbidFloats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>insertStars</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>sameType</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>lowestTerms</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_LowestTerms</casKey><casType>ex</casType><selected>true</selected></stackoption><inputTypesParameters/></questionpart></questionparts><PotentialResponseTrees><PotentialResponseTree><prtname>PotResTree_Result</prtname><questionValue>1</questionValue><autoSimplify>true</autoSimplify><feedbackVariables>p = ev(q,y(t)=ans1,nouns,fullratsimp); l = setify(listofvars(ans1)); l = setdifference(l,set(t)); l = listify(l); lv = length(l); b1 = ev(ans1,t=0,fullratsimp); b2 = ev(ans1,t=1,fullratsimp); m = if b2#0 then fullratsimp(b1/b2) else 0; m = float(m)</feedbackVariables><description type="Meta"><selection></selection><default></default><values/></description><PotentialResponses><PR id="0"><answerTest>AlgEquiv</answerTest><teachersAns>0</teachersAns><studentAns>p</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>Result-0-T </ansnote><nextPR>1</nextPR></true><false><rawModMark>=</rawModMark><rawMark></rawMark><feedback>Your answer should satisfy the differential equation, but in fact when we substitute your expression into the differential equation we get \[@p@\] which is not zero, so you must have done something wrong.</feedback><ansnote>Fails to satisfy DE</ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR><PR id="1"><answerTest>AlgEquiv</answerTest><teachersAns>2</teachersAns><studentAns>lv</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>Result-1-T </ansnote><nextPR>2</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0.75</rawMark><feedback>You should have a general solution, which includes unknown constants. Your answer satisfies the differential equation, but does not have the correct number of unknown ! constants.</feedback><ansnote>Insufficient constants</ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR><PR id="2"><answerTest>AlgEquiv</answerTest><teachersAns>true</teachersAns><studentAns>numberp(m)</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback>Your general solution should be a sum of two linearly independent components, but is not.</feedback><ansnote>Not two lin ind parts</ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>Result-2-F </ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR></PotentialResponses></PotentialResponseTree></PotentialResponseTrees><MetaData><dc:Publisher stackname="lastUserEditor" type="Meta"><selection>2</selection><default></default><values/></dc:Publisher><dc:language stackname="language" type="Meta"><selection>en</selection><default>en</default><values><value key="en">en</value><value key="fr">fr</value><value key="nl">nl</value><value key="es">es</value><value key="unspecified">Unspecified</value></values></dc:language><dc:title stackname="questionName" type="Meta"><selection>test_7</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" type="Meta"><selection>Second order linear ODE with constant coefficients, general</selection><default></default><values/></dc:description><dc:publisher stackname="questionPublisher" type="Meta"><selection>http://www.stack.bham.ac.uk/</selection><default>http://localhost/stack-dev</default><values/></dc:publisher><dc:format stackname="questionFormat" type="Meta"><selection>text/xml; charset="utf-8"</selection><default>text/xml; charset="utf-8"</default><values><value key="0">application</value><value key="1">audio</value><value key="2">image</value><value key="3">message</value><value key="4">model</value><value key="5">text</value><value key="6">video</value><value key="7">multipart</value></values></dc:format><lom:context stackname="questionLearningContext" type="Meta"><selection>PrimaryEducation</selection><default>unspecified</default><values><value key="PrimaryEducation">Primary Education</value><value key="SecondaryEducation">Secondary Education</value><value key="HigherEducation">Higher Education</value><value key="UniversityFirstCycle">University First Cycle</value><value key="UniversitySecondCycle">University Second Cycle</value><value key="UniversityPostGrade">University Post Grade</value><value key="TechnicalSchoolFirstCycle">Technical School First Cycle</value><value key="TechnicalSchoolSecondCycle">Technical School Second Cycle</value><value key="ProfessionalFormation">Professional Formation</value><value key="ContinuousFormation">Continuous Formation</value><value key="VocationalTraining">Vocational Training</value><value key="unspecified">Unspecified</value></values></lom:context><lom:difficulty stackname="questionDifficulty" type="Meta"><selection>VeryEasy</selection><default>unspecified</default><values><value key="VeryEasy">Very Easy</value><value key="Easy">Easy</value><value key="Medium">Medium</value><value key="Difficult">Difficult</value><value key="VeryDifficult">Very Difficult</value><value key="unspecified">Unspecified</value></values></lom:difficulty><questionCompetency type="Meta"><selection>Think</selection><default>unspecified</default><values><value key="Think">Think</value><value key="Argue">Argue</value><value key="Solve">Solve</value><value key="Represent">Represent</value><value key="Language">Language</value><value key="Communicate">Communicate</value><value key="Tools">Tools</value><value key="unspecified">Unspecified</value></values></questionCompetency><questionCompentencyLevel type="Meta"><selection>Elementary</selection><default>unspecified</default><values><value key="Elementary">Elementary</value><value key="SimpleConceptual">Simple conceptual</value><value key="Multi-step">Multi-step</value><value key="Complex">Complex</value><value key="unspecified">Unspecified</value></values></questionCompentencyLevel><lom:typicallearningtime stackname="questionTimeAllocated" type="Meta"><selection>00:00:00</selection><default>00:00:00</default><values/></lom:typicallearningtime><dc:rights stackname="questionRights" type="Meta"><selection>http://www.gnu.org/copyleft/gpl.html</selection><default>http://www.gnu.org/copyleft/gpl.html</default><values/></dc:rights><questionExerciseType type="Meta"><selection>AlgebraicExpression</selection><default>AlgebraicExpression</default><values><value key="AlgebraicExpression">Algebraic Expression</value><value key="MCQSingleAnswer">MCQ Single Answer</value><value key="MCQMultpleAnswer">MCQ Multiple Answer</value><value key="FillInBlank">Fill in blank</value><value key="Unspecified">Unspecified</value></values></questionExerciseType><dc:date stackname="questionDateLastEdited" type="Meta"><selection>2009-03-09 17:36:09</selection><default>2009-03-09 17:28:03</default><values/></dc:date><lom:status stackname="questionStatus" type="Meta"><selection>Draft</selection><default>Draft</default><values><value key="Draft">Draft</value><value key="Deployed">Deployed</value><value key="Buggy">Buggy</value></values></lom:status><published type="Meta"><selection>Unpublished</selection><default>Unpublished</default><values><value key="Unpublished">Unpublished</value><value key="Published">Published</value><value key="Private">Private</value></values></published><lom:keyword stackname="keywords" type="Meta"><selection>demo, ODE, </selection><default>demo, ODE, </default><values/></lom:keyword></MetaData><ItemOptions><stackoption><name>Display</name><type>list</type><default>LaTeX</default><values><value>LaTeX</value><value>MathML</value></values><casKey>OPT_OUTPUT</casKey><casType>string</casType><selected>LaTeX</selected></stackoption><stackoption><name>MultiplicationSign</name><type>list</type><default>dot</default><values><value>(none)</value><value>dot</value><value>cross</value></values><casKey>make_multsgn</casKey><casType>fun</casType><selected>dot</selected></stackoption><stackoption><name>ComplexNo</name><type>list</type><default>i</default><values><value>i</value><value>j</value></values><casKey>make_complexJ</casKey><casType>fun</casType><selected>i</selected></stackoption><stackoption><name>Floats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>SqrtSign</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>sqrtdispflag</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>Simplify</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>simp</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>MarkModMethod</name><type>list</type><default>Penalty</default><values><value>Penalty</value><value>First Answer</value><value>Last Answer</value></values><casKey></casKey><casType></casType><selected>Penalty</selected></stackoption><stackoption><name>AssumePos</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey>assume_pos</casKey><casType>ex</casType><selected>false</selected></stackoption><stackoption><name>TeacherEmail</name><type>string</type><default></default><casKey></casKey><casType></casType><selected></selected></stackoption><stackoption><name>Feedback</name><type>list</type><default>TGS</default><values><value>TGS</value><value>TG</value><value>GS</value><value>T</value><value>G</value><value>S</value><value>none</value></values><casKey></casKey><casType></casType><selected>TGS</selected></stackoption><stackoption><name>FeedbackGenericCorrect</name><type>html</type><default><span class='correctAns'>Correct answer, well done.</span></default><casKey></casKey><casType></casType><selected><span class='correctAns'>Correct answer, well done.</span></selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default><span class='incorrect'>Incorrect answer.</span></default><casKey></casKey><casType></casType><selected><span class='incorrect'>Incorrect answer.</span></selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default><span class='partially'>Your answer is partially correct.</span></default><casKey></casKey><casType></casType><selected><span class='partially'>Your answer is partially correct.</span></selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans1</key><value>ta</value></col><col><key>PRT_PotResTree_Result</key><value>Result-2-F </value></col></test><test><col><key>IE_ans1</key><value>A*e^(l1*t)</value></col><col><key>PRT_PotResTree_Result</key><value>Insufficient constants</value></col></test></ItemTests></assessmentItem> --- 1,17 ---- <?xml version="1.0" encoding="UTF-8"?> <assessmentItem version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><questionCasValues><questionStem type="CasText"><castext>Find the general solution to ! \[ @ode@ =0. \] ! <br /> $y(t)=$#ans1# <IEfeedback>ans1</IEfeedback> ! <PRTfeedback>Result</PRTfeedback></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals>l1 = 1+(-1)^rand(1)*rand(6); l2 = l1+(-1)^rand(1)*(1+rand(4)); c1 = -1*(l1+l2); c2 = l1*l2; ode = 'diff(y(t),t,2)+c1*'diff(y(t),t)+c2*y(t); ta = A*e^(l1*t)+B*e^(l2*t)</rawKeyVals><forbidFloats>false</forbidFloats><simplify>true</simplify></questionVariables><workedSolution type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext>@ta@</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionNote></questionCasValues><questionparts><questionpart><name>ans1</name><inputType type="Meta"><selection>Algebraic Input</selection><default>Algebraic Input</default><values/></inputType><boxsize>15</boxsize><teachersAns type="CasString"><casString>ta</casString><forbidFloats>false</forbidFloats><simplify>true</simplify></teachersAns><studentAnsKey>ans1</studentAnsKey><syntax type="Meta"><selection></selection><default></default><values/></syntax><stackoption><name>formalSyntax</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>false</selected></stackoption><stackoption><name>forbidFloats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>insertStars</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>sameType</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>lowestTerms</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_LowestTerms</casKey><casType>ex</casType><selected>true</selected></stackoption><inputTypesParameters/></questionpart></questionparts><PotentialResponseTrees><PotentialResponseTree><prtname>PotResTree_Result</prtname><questionValue>1</questionValue><autoSimplify>true</autoSimplify><feedbackVariables>sa1 = subst(y(t)=ans1,ode); sa2 = ev(sa1,nouns); sa3 = fullratsimp(expand(sa2)); l = delete(t,listofvars(ans1)); lv = length(l); b1 = ev(ans1,t=0,fullratsimp); b2 = ev(ans1,t=1,fullratsimp); m = float(if b2#0 then fullratsimp(b1/b2) else 0)</feedbackVariables><description type="Meta"><selection></selection><default></default><values/></description><PotentialResponses><PR id="0"><answerTest>AlgEquiv</answerTest><teachersAns>0</teachersAns><studentAns>sa3</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>Result-0-T </ansnote><nextPR>1</nextPR></true><false><rawModMark>=</rawModMark><rawMark></rawMark><feedback>Your answer should satisfy the differential equation. ! In fact, when we substitute your expression into the differential equation we get ! <br >\[ @sa1@ =0, \]<br > ! evaluating the derivatives we have ! <br >\[ @sa2@ =0 \]<br > ! This simplifies to ! <br >\[ @sa3@ = 0,\]<br > ! so you must have done something wrong.</feedback><ansnote>Fails to satisfy DE</ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR><PR id="1"><answerTest>AlgEquiv</answerTest><teachersAns>2</teachersAns><studentAns>lv</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>Result-1-T </ansnote><nextPR>2</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0.75</rawMark><feedback>You should have a general solution, which includes unknown constants. Your answer satisfies the differential equation, but does not have the correct number of unknown ! constants.</feedback><ansnote>Insufficient constants</ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR><PR id="2"><answerTest>AlgEquiv</answerTest><teachersAns>true</teachersAns><studentAns>numberp(m)</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback>Your general solution should be a sum of two linearly independent components, but is not.</feedback><ansnote>Not two lin ind parts</ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>Result-2-F </ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR></PotentialResponses></PotentialResponseTree></PotentialResponseTrees><MetaData><dc:Publisher stackname="lastUserEditor" type="Meta"><selection>2</selection><default></default><values/></dc:Publisher><dc:language 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key="3">message</value><value key="4">model</value><value key="5">text</value><value key="6">video</value><value key="7">multipart</value></values></dc:format><lom:context stackname="questionLearningContext" type="Meta"><selection>PrimaryEducation</selection><default>unspecified</default><values><value key="PrimaryEducation">Primary Education</value><value key="SecondaryEducation">Secondary Education</value><value key="HigherEducation">Higher Education</value><value key="UniversityFirstCycle">University First Cycle</value><value key="UniversitySecondCycle">University Second Cycle</value><value key="UniversityPostGrade">University Post Grade</value><value key="TechnicalSchoolFirstCycle">Technical School First Cycle</value><value key="TechnicalSchoolSecondCycle">Technical School Second Cycle</value><value key="ProfessionalFormation">Professional Formation</value><value key="ContinuousFormation">Continuous Formation</value><value key="VocationalTraining">Vocational Training</value><value 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key="Elementary">Elementary</value><value key="SimpleConceptual">Simple conceptual</value><value key="Multi-step">Multi-step</value><value key="Complex">Complex</value><value key="unspecified">Unspecified</value></values></questionCompentencyLevel><lom:typicallearningtime stackname="questionTimeAllocated" type="Meta"><selection>00:00:00</selection><default>00:00:00</default><values/></lom:typicallearningtime><dc:rights stackname="questionRights" type="Meta"><selection>http://www.gnu.org/copyleft/gpl.html</selection><default>http://www.gnu.org/copyleft/gpl.html</default><values/></dc:rights><questionExerciseType type="Meta"><selection>AlgebraicExpression</selection><default>AlgebraicExpression</default><values><value key="AlgebraicExpression">Algebraic Expression</value><value key="MCQSingleAnswer">MCQ Single Answer</value><value key="MCQMultpleAnswer">MCQ Multiple Answer</value><value key="FillInBlank">Fill in blank</value><value key="Unspecified">Unspecified</value></values></questionExerciseType><dc:date stackname="questionDateLastEdited" type="Meta"><selection>2010-02-22 13:37:02</selection><default>2010-02-22 12:18:20</default><values/></dc:date><lom:status stackname="questionStatus" type="Meta"><selection>Draft</selection><default>Draft</default><values><value key="Draft">Draft</value><value key="Deployed">Deployed</value><value key="Buggy">Buggy</value></values></lom:status><published type="Meta"><selection>Unpublished</selection><default>Unpublished</default><values><value key="Unpublished">Unpublished</value><value key="Published">Published</value><value key="Private">Private</value></values></published><lom:keyword stackname="keywords" type="Meta"><selection>demo, ODE</selection><default>demo, 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Answer</value><value>Last Answer</value></values><casKey></casKey><casType></casType><selected>Penalty</selected></stackoption><stackoption><name>AssumePos</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey>assume_pos</casKey><casType>ex</casType><selected>false</selected></stackoption><stackoption><name>TeacherEmail</name><type>string</type><default> </default><casKey></casKey><casType></casType><selected></selected></stackoption><stackoption><name>Feedback</name><type>list</type><default>TGS</default><values><value>TGS</value><value>TG</value><value>GS</value><value>T</value><value>G</value><value>S</value><value>none</value></values><casKey></casKey><casType></casType><selected>TGS</selected></stackoption><stackoption><name>FeedbackGenericCorrect</name><type>html</type><default><span class='correct'>Correct answer, well done.</span></default><casKey></casKey><casType></casType><selected><span class='correctAns'>Correct answer, well done.</span></selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default><span class='incorrect'>Incorrect answer.</span></default><casKey></casKey><casType></casType><selected><span class='incorrect'>Incorrect answer.</span></selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default><span class='partially'>Your answer is partially correct.</span></default><casKey></casKey><casType></casType><selected><span class='partially'>Your answer is partially correct.</span></selected></stackoption><stackoption><name>OptWorkedSol</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans1</key><value>ta</value></col><col><key>PRT_PotResTree_Result</key><value>Result-2-F </value></col></test><test><col><key>IE_ans1</key><value>A*e^(l1*t)+A*e^(l2*t)</value></col><col><key>PRT_PotResTree_Result</key><value>Insufficient constants</value></col></test><test><col><key>IE_ans1</key><value>A*e^(l1*t)+B*e^((l2+1)*t)</value></col><col><key>PRT_PotResTree_Result</key><value>Fails to satisfy DE</value></col></test><test><col><key>IE_ans1</key><value>A*e^(l1*t)+B*e^(l1*t)</value></col><col><key>PRT_PotResTree_Result</key><value>Not two lin ind parts</value></col></test></ItemTests></assessmentItem> --- NEW FILE: test_10.xml --- <?xml version="1.0" encoding="UTF-8"?> <assessmentItem version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><questionCasValues><questionStem type="CasText"><castext>What is $1+1$? #ans1# <IEfeedback>ans1</IEfeedback><PRTfeedback>1</PRTfeedback> <p>How confident are you? #con1# <IEfeedback>con1</IEfeedback></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals></rawKeyVals><forbidFloats>false</forbidFloats><simplify>true</simplify></questionVariables><workedSolution type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionNote></questionCasValues><questionparts><questionpart><name>ans1</name><inputType type="Meta"><selection>Algebraic Input</selection><default>Algebraic Input</default><values/></inputType><boxsize>5</boxsize><teachersAns type="CasString"><casString>2</casString><forbidFloats>false</forbidFloats><simplify>true</simplify></teachersAns><studentAnsKey>ans1</studentAnsKey><syntax 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type="Meta"><selection></selection><default></default><values/></description><PotentialResponses><PR id="0"><answerTest>Equal_Com_Ass</answerTest><teachersAns>2</teachersAns><studentAns>ans1</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>1-0-T </ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback></feedback><ansnote>1-0-F </ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR></PotentialResponses></PotentialResponseTree></PotentialResponseTrees><MetaData><dc:Publisher stackname="lastUserEditor" type="Meta"><selection>2</selection><default></default><values/></dc:Publisher><dc:language stackname="language" type="Meta"><selection>en</selection><default>en</default><values><value key="en">en</value><value key="fr">fr</value><value key="nl">nl</value><value key="es">es</value><value key="unspecified">Unspecified</value></values></dc:language><dc:title stackname="questionName" type="Meta"><selection>test_10</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" type="Meta"><selection>A trivial question: $1+1=$? together with confidence based testing.</selection><default></default><values/></dc:description><dc:publisher stackname="questionPublisher" type="Meta"><selection>http://localhost/stack-dev</selection><default>http://localhost/stack-dev</default><values/></dc:publisher><dc:format stackname="questionFormat" type="Meta"><selection>text/xml; charset="utf-8"</selection><default>text/xml; charset="utf-8"</default><values><value key="0">application</value><value key="1">audio</value><value key="2">image</value><value key="3">message</value><value key="4">model</value><value key="5">text</value><value key="6">video</value><value key="7">multipart</value></values></dc:format><lom:context stackname="questionLearningContext" type="Meta"><selection>PrimaryEducation</selection><default>unspecified</default><values><value key="PrimaryEducation">Primary Education</value><value key="SecondaryEducation">Secondary Education</value><value key="HigherEducation">Higher Education</value><value key="UniversityFirstCycle">University First Cycle</value><value key="UniversitySecondCycle">University Second Cycle</value><value key="UniversityPostGrade">University Post Grade</value><value key="TechnicalSchoolFirstCycle">Technical School First Cycle</value><value key="TechnicalSchoolSecondCycle">Technical School Second Cycle</value><value key="ProfessionalFormation">Professional Formation</value><value key="ContinuousFormation">Continuous Formation</value><value key="VocationalTraining">Vocational Training</value><value key="unspecified">Unspecified</value></values></lom:context><lom:difficulty stackname="questionDifficulty" type="Meta"><selection>VeryEasy</selection><default>unspecified</default><values><value key="VeryEasy">Very Easy</value><value key="Easy">Easy</value><value key="Medium">Medium</value><value key="Difficult">Difficult</value><value key="VeryDifficult">Very Difficult</value><value key="unspecified">Unspecified</value></values></lom:difficulty><questionCompetency type="Meta"><selection>Think</selection><default>unspecified</default><values><value key="Think">Think</value><value key="Argue">Argue</value><value key="Solve">Solve</value><value key="Represent">Represent</value><value key="Language">Language</value><value key="Communicate">Communicate</value><value key="Tools">Tools</value><value key="unspecified">Unspecified</value></values></questionCompetency><questionCompentencyLevel type="Meta"><selection>Elementary</selection><default>unspecified</default><values><value key="Elementary">Elementary</value><value key="SimpleConceptual">Simple conceptual</value><value key="Multi-step">Multi-step</value><value key="Complex">Complex</value><value key="unspecified">Unspecified</value></values></questionCompentencyLevel><lom:typicallearningtime stackname="questionTimeAllocated" type="Meta"><selection>00:00:00</selection><default>00:00:00</default><values/></lom:typicallearningtime><dc:rights stackname="questionRights" type="Meta"><selection>http://www.gnu.org/copyleft/gpl.html</selection><default>http://www.gnu.org/copyleft/gpl.html</default><values/></dc:rights><questionExerciseType type="Meta"><selection>AlgebraicExpression</selection><default>AlgebraicExpression</default><values><value key="AlgebraicExpression">Algebraic Expression</value><value key="MCQSingleAnswer">MCQ Single Answer</value><value key="MCQMultpleAnswer">MCQ Multiple Answer</value><value key="FillInBlank">Fill in blank</value><value key="Unspecified">Unspecified</value></values></questionExerciseType><dc:date stackname="questionDateLastEdited" type="Meta"><selection>2010-07-30 14:42:20</selection><default>2010-07-30 14:33:56</default><values/></dc:date><lom:status stackname="questionStatus" type="Meta"><selection>Draft</selection><default>Draft</default><values><value key="Draft">Draft</value><value key="Deployed">Deployed</value><value key="Buggy">Buggy</value></values></lom:status><published type="Meta"><selection>Published</selection><default>Unpublished</default><values><value key="Unpublished">Unpublished</value><value key="Published">Published</value><value key="Private">Private</value></values></published><lom:keyword stackname="keywords" 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Answer</value><value>Last Answer</value></values><casKey></casKey><casType></casType><selected>Penalty</selected></stackoption><stackoption><name>AssumePos</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey>assume_pos</casKey><casType>ex</casType><selected>false</selected></stackoption><stackoption><name>TeacherEmail</name><type>string</type><default> </default><casKey></casKey><casType></casType><selected></selected></stackoption><stackoption><name>Feedback</name><type>list</type><default>TGS</default><values><value>TGS</value><value>TG</value><value>GS</value><value>T</value><value>G</value><value>S</value><value>none</value></values><casKey></casKey><casType></casType><selected>TGS</selected></stackoption><stackoption><name>FeedbackGenericCorrect</name><type>html</type><default><span class='correct'>Correct answer, well done.</span></default><casKey></casKey><casType></casType><selected><span class='correct'>Correct answer, well done.</span></selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default><span class='incorrect'>Incorrect answer.</span></default><casKey></casKey><casType></casType><selected><span class='incorrect'>Incorrect answer.</span></selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default><span class='partially'>Your answer is partially correct.</span></default><casKey></casKey><casType></casType><selected><span class='partially'>Your answer is partially correct.</span></selected></stackoption><stackoption><name>OptWorkedSol</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans1</key><value>2</value></col><col><key>PRT_PotResTree_1</key><value>1-0-T </value></col><col><key>IE_con1</key><value></value></col></test><test><col><key>IE_ans1</key><value>3</value></col><col><key>PRT_PotResTree_1</key><value>1-0-F </value></col><col><key>IE_con1</key><value></value></col></test></ItemTests></assessmentItem> Index: interaction_element_test.xml =================================================================== RCS file: /cvsroot/stack/stack-dev/sample_questions/interaction_element_test.xml,v retrieving revision 1.6.6.1 retrieving revision 1.6.6.1.2.1 diff -C2 -d -r1.6.6.1 -r1.6.6.1.2.1 *** interaction_element_test.xml 3 Nov 2009 11:58:08 -0000 1.6.6.1 --- interaction_element_test.xml 9 Nov 2010 16:51:38 -0000 1.6.6.1.2.1 *************** *** 1,25 **** <?xml version="1.0" encoding="UTF-8"?> ! <mathQuiz version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><assessmentItem version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" 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It can be used for all other kinds, for example ! <ul> ! <li> Sets <tt>{1,2,3}</tt> </li> ! <li> List <tt>[1,2,3]</tt> </li> ! <li> Martices <tt>matrix([1,2],[3,4])</tt> </li> ! </ul> ! </p></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals>ta = 1/(1+x^2)</rawKeyVals><forbidFloats>false</forbidFloats><simplify>true</simplify></questionVariables><workedSolution type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionNote></questionCasValues><questionparts><questionpart><name>ans</name><inputType type="Meta"><selection>Algebraic Input</selection><default>Algebraic Input</default><values/></inputType><boxsize>15</boxsize><teachersAns type="CasString"><casString>ta</casString><forbidFloats>false</forbidFloats><simplify>true</simplify></teachersAns><studentAnsKey>ans</studentAnsKey><syntax type="Meta"><selection></selection><default></default><values/></syntax><stackoption><name>formalSyntax</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>forbidFloats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>insertStars</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>false</selected></stackoption><stackoption><name>sameType</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>lowestTerms</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_LowestTerms</casKey><casType>ex</casType><selected>true</selected></stackoption><inputTypesParameters/></questionpart></questionparts><PotentialResponseTrees><PotentialResponseTree><prtname>PotResTree_1</prtname><questionValue>1</questionValue><autoSimplify>true</autoSimplify><feedbackVariables></feedbackVariables><description type="Meta"><selection></selection><default></default><values/></description><PotentialResponses><PR id="0"><answerTest>AlgEquiv</answerTest><teachersAns>ta</teachersAns><studentAns>ans</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>1-0-T </ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback></feedback><ansnote>1-0-F </ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR></PotentialResponses></PotentialResponseTree></PotentialResponseTrees><MetaData><dc:Publisher stackname="lastUserEditor" type="Meta"><selection></selection><default></default><values/></dc:Publisher><dc:language stackname="language" type="Meta"><selection>en</selection><default>en</default><values><value key="en">en</value><value key="fr">fr</value><value key="nl">nl</value><value key="es">es</value><value key="unspecified">Unspecified</value></values></dc:language><dc:title stackname="questionName" type="Meta"><selection>interaction_element_test_alg</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" type="Meta"><selection></selection><default></default><values/></dc:description><dc:publisher stackname="questionPublisher" type="Meta"><selection>http://localhost/stack-dev</selection><default>http://localhost/stack-dev</default><values/></dc:publisher><dc:format stackname="questionFormat" type="Meta"><selection>text/xml; 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