[Stack-cvs] stack-dev/sample_questions test_10.xml, 1.1, 1.2 interaction_element_test.xml, 1.7, 1.8

SourceForge Headquarters 225 Broadway Suite 1600 San Diego, CA 92101 +1 (858) 422-6466

Update of /cvsroot/stack/stack-dev/sample_questions
In directory sfp-cvsdas-3.v30.ch3.sourceforge.com:/tmp/cvs-serv28438/sample_questions

Modified Files:
	interaction_element_test.xml 
Added Files:
	test_10.xml 
Log Message:
Merging 2.2 branch
(with some additional fixes to ensure seamless updating for version lines)

Index: interaction_element_test.xml
===================================================================
RCS file: /cvsroot/stack/stack-dev/sample_questions/interaction_element_test.xml,v
retrieving revision 1.7
retrieving revision 1.8
diff -C2 -d -r1.7 -r1.8
*** interaction_element_test.xml	11 Jan 2010 17:23:37 -0000	1.7
--- interaction_element_test.xml	30 Sep 2010 16:56:17 -0000	1.8
***************
*** 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/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><questionCasValues><questionStem type="CasText"><castext>Type in the algebraic expression&#13;
  \[ @ta@ \]&#13;
  #ans# &lt;IEfeedback&gt;ans&lt;/IEfeedback&gt;&lt;PRTfeedback&gt;1&lt;/PRTfeedback&gt;&#13;
  &#13;
! &lt;p&gt;The algebraic input box is the default input option.  It can be used for all other kinds, for example&#13;
! &lt;ul&gt;&#13;
! &lt;li&gt; Sets &lt;tt&gt;{1,2,3}&lt;/tt&gt; &lt;/li&gt;&#13;
! &lt;li&gt; List &lt;tt&gt;[1,2,3]&lt;/tt&gt; &lt;/li&gt;&#13;
! &lt;li&gt; Martices &lt;tt&gt;matrix([1,2],[3,4])&lt;/tt&gt; &lt;/li&gt;&#13;
! &lt;/ul&gt;&#13;
! &lt;/p&gt;</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; 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>2009-11-03 11:50:39</selection><default>2009-11-03 11:50:37</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>demo, test</selection><default>demo, test</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>&lt;span class='correct'&gt;Correct answer, well done.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='correct'&gt;Correct answer, well done.&lt;/span&gt;</selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default>&lt;span class='incorrect'&gt;Incorrect answer.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='incorrect'&gt;Incorrect answer.&lt;/span&gt;</selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default>&lt;span class='partially'&gt;Your answer is partially correct.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='partially'&gt;Your answer is partially correct.&lt;/span&gt;</selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans</key><value>ta</value></col><col><key>PRT_PotResTree_1</key><value>1-0-T </value></col></test><test><col><key>IE_ans</key><value>0</value></col><col><key>PRT_PotResTree_1</key><value>1-0-F </value></col></test></ItemTests></assessmentItem><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>Choose&#13;
! \[ @ta@ = #ans# \]&#13;
! &lt;IEfeedback&gt;ans&lt;/IEfeedback&gt;&lt;PRTfeedback&gt;1&lt;/PRTfeedback&gt;&#13;
! &#13;
! &lt;p&gt;This question demostrates an algebraic input box inside a displayed equation.&lt;p&gt;</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_inequation</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; 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>2009-11-03 11:50:52</selection><default>2009-11-03 11:50:37</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>demo, test</selection><default>demo, test</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>&lt;span class='correct'&gt;Correct answer, well done.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='correct'&gt;Correct answer, well done.&lt;/span&gt;</selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default>&lt;span class='incorrect'&gt;Incorrect answer.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='incorrect'&gt;Incorrect answer.&lt;/span&gt;</selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default>&lt;span class='partially'&gt;Your answer is partially correct.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='partially'&gt;Your answer is partially correct.&lt;/span&gt;</selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans</key><value>ta</value></col><col><key>PRT_PotResTree_1</key><value>1-0-T </value></col></test><test><col><key>IE_ans</key><value>0</value></col><col><key>PRT_PotResTree_1</key><value>1-0-F </value></col></test></ItemTests></assessmentItem><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>Enter&#13;
! \[ @ta@ \]&#13;
! #ans# &lt;IEfeedback&gt;ans&lt;/IEfeedback&gt;&lt;PRTfeedback&gt;1&lt;/PRTfeedback&gt;</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals>ta = b</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>DropDownList</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><parameter type="Meta" key="ddl_values"><selection>a,b,c,wrong</selection><default></default><values/></parameter></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_DropDown</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; 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>2009-11-03 11:50:46</selection><default>2009-11-03 11:50:37</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>demo, test</selection><default>demo, test</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>&lt;span class='correct'&gt;Correct answer, well done.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='correct'&gt;Correct answer, well done.&lt;/span&gt;</selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default>&lt;span class='incorrect'&gt;Incorrect answer.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='incorrect'&gt;Incorrect answer.&lt;/span&gt;</selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default>&lt;span class='partially'&gt;Your answer is partially correct.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='partially'&gt;Your answer is partially correct.&lt;/span&gt;</selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans</key><value>ta</value></col><col><key>PRT_PotResTree_1</key><value>1-0-T </value></col></test><test><col><key>IE_ans</key><value>0</value></col><col><key>PRT_PotResTree_1</key><value>1-0-F </value></col></test></ItemTests></assessmentItem><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>Choose all the even expressions.&lt;br /&gt;&#13;
! #ans# &lt;IEfeedback&gt;ans&lt;/IEfeedback&gt;&lt;PRTfeedback&gt;1&lt;/PRTfeedback&gt;</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>ans</name><inputType type="Meta"><selection>List</selection><default>Algebraic Input</default><values/></inputType><boxsize>15</boxsize><teachersAns type="CasString"><casString>[x^2,x^4]</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><parameter type="Meta" key="list_input_type"><selection>checkbox</selection><default>radio</default><values><value key="radio">radio buttons</value><value key="dropdown">drop down list</value><value key="checkbox">check boxes</value></values></parameter><parameter type="Meta" key="list_no_display"><selection>4</selection><default>4</default><values><value key="4">4</value><value key="3">3</value><value key="2">2</value><value key="1">1</value></values></parameter><parameter type="QTTuple" key="list_correct_ans"><tupleitem type="Meta" index="list_label"><selection>x^2</selection><default></default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext>$x^2$</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></parameter><parameter type="qtlist" key="list_values"><listitem type="QTTuple" key="0"><tupleitem type="Meta" index="list_label"><selection>x</selection><default>x</default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext>$x$</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem><listitem type="QTTuple" key="1"><tupleitem type="Meta" index="list_label"><selection>x^3</selection><default>x^3</default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext>$x^3$</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem><listitem type="QTTuple" key="2"><tupleitem type="Meta" index="list_label"><selection>x^4</selection><default>x^4</default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext>$x^4$</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem><listitem type="QTTuple" key="3"><tupleitem type="Meta" index="list_label"><selection></selection><default></default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem><listitem type="QTTuple" key="4"><tupleitem type="Meta" index="list_label"><selection></selection><default></default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem></parameter></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>{x^2,x^4}</teachersAns><studentAns>setify(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_List_checkbox</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; 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>2009-11-03 11:55:44</selection><default>2009-11-03 11:50:37</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>demo, test</selection><default>demo, test</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>&lt;span class='correct'&gt;Correct answer, well done.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='correct'&gt;Correct answer, well done.&lt;/span&gt;</selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default>&lt;span class='incorrect'&gt;Incorrect answer.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='incorrect'&gt;Incorrect answer.&lt;/span&gt;</selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default>&lt;span class='partially'&gt;Your answer is partially correct.&lt;/span&gt;</default><casKey></casKey><casType></casType><selected>&lt;span class='partially'&gt;Your answer is partially correct.&lt;/span&gt;</selected></stackoption></ItemOptions><ItemTests/></assessmentItem><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>Choose&#13;
! \[ @ta@ \]&#13;
! #ans# &lt;IEfeedback&gt;ans&lt;/IEfeedback&gt;&lt;PRTfeedback&gt;1&lt;/PRTfeedback&gt;</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals>ta = 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>List</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><parameter type="Meta" key="list_input_type"><selection>dropdown</selection><default>radio</default><values><value key="radio">radio buttons</value><value key="dropdown">drop down list</value><value key="checkbox">check boxes</value></values></parameter><parameter type="Meta" key="list_no_display"><selection>3</selection><default>3</default><values><value key="0">3</value><value key="1">2</value><value key="2">1</value></values></parameter><parameter type="QTTuple" key="list_correct_ans"><tupleitem type="Meta" index="list_label"><selection>x^2</selection><default></default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext>$x^2$</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></parameter><parameter type="qtlist" key="list_values"><listitem type="QTTuple" key="0"><tupleitem type="Meta" index="list_label"><selection>x</selection><default>x</default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext>$x$</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem><listitem type="QTTuple" key="1"><tupleitem type="Meta" index="list_label"><selection>x^3</selection><default>x^3</default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext>$x^3$</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem><listitem type="QTTuple" key="2"><tupleitem type="Meta" index="list_label"><selection>x^4</selection><default>x^4</default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext>$x^4$</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem><listitem type="QTTuple" key="3"><tupleitem type="Meta" index="list_label"><selection></selection><default></default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem><listitem type="QTTuple" key="4"><tupleitem type="Meta" index="list_label"><selection></selection><default></default><values/></tupleitem><tupleitem type="CasText" index="list_display"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></tupleitem></listitem></parameter></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_List_drop</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; 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>2009-11-03 11:50:54</selection><default>2009-11-03 11:50:37</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>demo, test</selection><default>demo, test</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</defaul...
 
[truncated message content]