<?xml version="1.0" encoding="UTF-8"?>
<usageData xmlns="http://www.imsglobal.org/xsd/imsqti_v2p1"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.imsglobal.org/xsd/imsqti_v2p1
    http://www.imsglobal.org/xsd/imsqti_v2p1.xsd"
    glossary="http://www.imsglobal.org/question/qti_2p0/glossaries/item_statistics">
    <!-- ******************** -->
    <!-- **Updated from Example 2 on October 26, 2004** -->
    <!-- **Changed AIS-for-Response and Fifths_Table into multiple Ordinary Statistics** -->
    <!-- **Added Score Conversion and IRT D-parameter as examples of Categorized Statistics** -->
    <!-- **Changed "assessmentRef" identifier back into the item identifier and partIdentifier back into the response identifier** -->
    <!-- **Changed name of "assessmentRef" into "targetObject "  (will not validate until corresponding change in the xsd)** -->
    <!-- ******************** -->
    <ordinaryStatistic name="AIS" context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B"
        caseCount="689325" stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <value>0.87</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="P-value" context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B"
        caseCount="689325" stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <value>0.647</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="PHI" context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B"
        caseCount="689325" stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <value>0.3687</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="rbis" context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B"
        caseCount="689325" stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <value>0.2837</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="PTbis" context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B"
        caseCount="689325" stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <value>0.3122</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Polyserial"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <value>0.15556</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="A-Parm" context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B"
        caseCount="689325" stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <value>0.02083</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="B-Parm" context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B"
        caseCount="689325" stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <value>384.3477</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="C-Parm" context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B"
        caseCount="689325" stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <value>0.2275</value>
    </ordinaryStatistic>
    <categorizedStatistic name="D-Parm" context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B"
        caseCount="689325" stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456"/>
        <mapping lowerBound="1" upperBound="4" defaultValue="0">
            <mapEntry mapKey="d1" mappedValue="412.5267"/>
            <mapEntry mapKey="d2" mappedValue="426.5699"/>
            <mapEntry mapKey="d3" mappedValue="451.8811"/>
            <mapEntry mapKey="d4" mappedValue="441.8085"/>
        </mapping>
    </categorizedStatistic>
    <ordinaryStatistic name="AIS-Response"
        glossary="http://www.imsglobal.org/question/qti_2p0/glossaries/distractor_statistics"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="A"/>
        <value>0.21</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="AIS-Response"
        glossary="http://www.imsglobal.org/question/qti_2p0/glossaries/distractor_statistics"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="B"/>
        <value>0.17</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="AIS-Response"
        glossary="http://www.imsglobal.org/question/qti_2p0/glossaries/distractor_statistics"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="C"/>
        <value>0.05</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="AIS-Response"
        glossary="http://www.imsglobal.org/question/qti_2p0/glossaries/distractor_statistics"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="D"/>
        <value>0.92</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="AIS-Response"
        glossary="http://www.imsglobal.org/question/qti_2p0/glossaries/distractor_statistics"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="E"/>
        <value>0.46</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Lowest"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="A"/>
        <value>0</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Second_Lowest"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="A"/>
        <value>465</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Middle"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="A"/>
        <value>2077</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Second_Highest"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="A"/>
        <value>101101</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Highest"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="A"/>
        <value>585678</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Lowest"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="B"/>
        <value>100200</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Second_Lowest"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="B"/>
        <value>100300</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Middle"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="B"/>
        <value>100400</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Second_Highest"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="B"/>
        <value>100500</value>
    </ordinaryStatistic>
    <ordinaryStatistic name="Fifths_Table_Highest"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Item_VB123456" partIdentifier="B"/>
        <value>200222</value>
    </ordinaryStatistic>
    <categorizedStatistic name="Score_Conversion"
        context="http://ntweb.ets.org/itemStats/Context/XVZ2004_J1B" caseCount="689325"
        stdError="0.0022" lastUpdated="2004-07-04">
        <targetObject identifier="Test_VB"/>
        <mapping lowerBound="1" upperBound="9" defaultValue="0">
            <mapEntry mapKey="0" mappedValue="0.0"/>
            <mapEntry mapKey="1" mappedValue="0.5"/>
            <mapEntry mapKey="2" mappedValue="1.0"/>
            <mapEntry mapKey="3" mappedValue="1.5"/>
            <mapEntry mapKey="4" mappedValue="2.0"/>
            <mapEntry mapKey="5" mappedValue="2.5"/>
            <mapEntry mapKey="6" mappedValue="3.0"/>
            <mapEntry mapKey="7" mappedValue="3.5"/>
            <mapEntry mapKey="8" mappedValue="4.0"/>
        </mapping>
    </categorizedStatistic>
</usageData>

