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[Stack-cvs] stack-dev/sample_questions/diagnostictests DiagnosticTests.xml, 1.2, 1.3 diagnostic-proof-Wason.xml, 1.2, NONE diagnostic-proof-studentprofessor.xml, 1.1, NONE
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From: Chris S. <san...@us...> - 2010-10-01 11:55:55
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Update of /cvsroot/stack/stack-dev/sample_questions/diagnostictests In directory sfp-cvsdas-3.v30.ch3.sourceforge.com:/tmp/cvs-serv32304/sample_questions/diagnostictests Modified Files: DiagnosticTests.xml Removed Files: diagnostic-proof-Wason.xml diagnostic-proof-studentprofessor.xml Log Message: --- diagnostic-proof-Wason.xml DELETED --- --- diagnostic-proof-studentprofessor.xml DELETED --- Index: DiagnosticTests.xml =================================================================== RCS file: /cvsroot/stack/stack-dev/sample_questions/diagnostictests/DiagnosticTests.xml,v retrieving revision 1.2 retrieving revision 1.3 diff -C2 -d -r1.2 -r1.3 *** DiagnosticTests.xml 30 Sep 2010 16:56:19 -0000 1.2 --- DiagnosticTests.xml 1 Oct 2010 11:55:46 -0000 1.3 *************** *** 1,111 **** <?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/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><questionCasValues><questionStem type="CasText"><castext>In a railway journey of \(90km\) an increase of \(5\) kilometers per hour in the speed decreases the time taken by \(15\) minutes. ! <p>Write a system of equations (one equation per line) to represent this situation using \(v\) as the speed of the train and \(t\) as the time. ! <br /> ! #asys# <IEfeedback>asys</IEfeedback> ! <PRTfeedback>1</PRTfeedback> - <p>Eliminate \(t\) from your equations, writing a single equation only in \(v\) which represents this situation. - <br /> [...2874 lines suppressed...] ! \[ ! @f@=\frac{A}{@den1@} + \frac{B}{@den2@} + \frac{C}{@den2_squared@},\] ! ! then multiplying through by the denominator @den@ we have that ! ! \[ ! @numerat@ = @Aden2_squared@ + @Bden1_den2@+@Cden1@. ! \] ! ! Setting \(x = @mc@\) we see that \(A = @Aval@\) and letting \(x = @md@\) we find that \(C = @Cval@\). ! ! Putting \(x = 0\) we can also see that \(B = @Bval@\). Therefore ! ! \[ ! @f@=@answer@.\]</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext>\[ ! @f@=@answer@.\]</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>20</boxsize><teachersAns type="CasString"><casString>answer</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>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><questionpart><name>con1</name><inputType type="Meta"><selection>Slider</selection><default>Algebraic Input</default><values/></inputType><boxsize>200</boxsize><teachersAns type="CasString"><casString>0</casString><forbidFloats>false</forbidFloats><simplify>true</simplify></teachersAns><studentAnsKey>con1</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_Result</prtname><questionValue>1</questionValue><autoSimplify>true</autoSimplify><feedbackVariables></feedbackVariables><description type="Meta"><selection></selection><default></default><values/></description><PotentialResponses><PR id="0"><answerTest>PartFrac</answerTest><teachersAns>answer</teachersAns><studentAns>ans1</studentAns><testoptions>x</testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>ALG-RPF-TRUE</ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback></feedback><ansnote>ALG-RPF-FALSE</ansnote><nextPR>1</nextPR></false><teacherNote></teacherNote></PR><PR id="1"><answerTest>AlgEquiv</answerTest><teachersAns>answer</teachersAns><studentAns>ans1</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback></feedback><ansnote>ALG-RPF-1-FALSE</ansnote><nextPR>2</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback></feedback><ansnote>ALG-RPF-2-FALSE</ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR><PR id="2"><answerTest>Equal_Com_Ass</answerTest><teachersAns>f</teachersAns><studentAns>ans1</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback><p>This seems to be the same expression that you started with.</p></feedback><ansnote>NO-CHANGE</ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback><p>Although your expression is algebraically equal to the correct answer, it is not in partial fractions form.</p></feedback><ansnote>NOT-PARTIAL</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>Diagnostic_ALG-RPF_2</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" type="Meta"><selection>Expand a rational function with repeated factors in denominator as a sum of partial fractions.</selection><default></default><values/></dc:description><dc:publisher stackname="questionPublisher" type="Meta"><selection>http://130.88.73.28/stack-1-0/</selection><default>http://matsrv6.bham.ac.uk/stem</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>2010-09-01 11:10:54</selection><default>2010-08-31 14:20:41</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" type="Meta"><selection>Manchester, partial, fractions, diagnostic, A48I, ALG-RPF, A2</selection><default>Manchester, partial, fractions, diagnostic, A48I, ALG-RPF, A2</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><value>symi</value><value>symj</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>s.h...@bh...</default><casKey></casKey><casType></casType><selected>Nie...@ma...</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>G</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'>You may have made a common error.</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>false</selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans1</key><value>answer</value></col><col><key>PRT_PotResTree_Result</key><value>ALG-RPF-TRUE</value></col><col><key>IE_con1</key><value></value></col></test><test><col><key>IE_ans1</key><value>7*x</value></col><col><key>PRT_PotResTree_Result</key><value>ALG-RPF-2-FALSE</value></col><col><key>IE_con1</key><value></value></col></test><test><col><key>IE_ans1</key><value>f</value></col><col><key>PRT_PotResTree_Result</key><value>NO-CHANGE</value></col><col><key>IE_con1</key><value></value></col></test></ItemTests></assessmentItem></mathQuiz> --- 1582,1584 ---- \end{eqnarray*} ! but substituting in the unique correct values for \(x\) and \(y\) the above equations should evaluate to @g1@ and @g2@ respectively.</feedback><ansnote>EQN-SIM-FALSE-0</ansnote><nextPR>1</nextPR></false><teacherNote></teacherNote></PR><PR id="1"><answerTest>AlgEquiv</answerTest><teachersAns>xy_rhserror</teachersAns><studentAns>xy_answer</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback><p>When you multiply an equation by a constant, remember to multiply both sides, the right hand-side as well as the left hand-side.</p></feedback><ansnote>UNMULTIPLIED_RHS</ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback></feedback><ansnote>EQN-SIM-FALSE-1</ansnote><nextPR>2</nextPR></false><teacherNote></teacherNote></PR><PR id="2"><answerTest>AlgEquiv</answerTest><teachersAns>xy_signerror</teachersAns><studentAns>xy_answer</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback><p>It may be that you added the two equations when you should have subtracted one from the other.</p></feedback><ansnote>SIGN_ERROR</ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback></feedback><ansnote>EQN-SIM-FALSE-2 </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>Diasgnostic_EQN-SIM_2</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" type="Meta"><selection>Two simultaneous linear equations</selection><default></default><values/></dc:description><dc:publisher stackname="questionPublisher" type="Meta"><selection>http://130.88.73.28/stack-1-0/</selection><default>http://matsrv6.bham.ac.uk/stem</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>2010-09-01 12:08:29</selection><default>2010-08-18 16:52:13</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" type="Meta"><selection>Manchester, A48A, foundation, diagnostic, EQN-SIM</selection><default>Manchester, A48A, foundation, diagnostic, EQN-SIM</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><value>symi</value><value>symj</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>s.h...@bh...</default><casKey></casKey><casType></casType><selected>Nie...@ma...</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>G</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>false</selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans1</key><value>x_value</value></col><col><key>IE_ans2</key><value>y_value</value></col><col><key>PRT_PotResTree_combined_values</key><value>EQN-SIM-TRUE</value></col><col><key>IE_con1</key><value></value></col></test><test><col><key>IE_ans1</key><value>xrhserror</value></col><col><key>IE_ans2</key><value>yrhserror</value></col><col><key>PRT_PotResTree_combined_values</key><value>UNMULTIPLIED_RHS</value></col><col><key>IE_con1</key><value></value></col></test><test><col><key>IE_ans1</key><value>xsignerror</value></col><col><key>IE_ans2</key><value>ysignerror</value></col><col><key>PRT_PotResTree_combined_values</key><value>SIGN_ERROR</value></col><col><key>IE_con1</key><value></value></col></test></ItemTests></assessmentItem></mathQuiz> 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