<?xml version="1.0" encoding="UTF-8"?><!--     note*    :             Some value has been assigned to the following elements/attributes to make this instance valid             @versionDate    =    "VersionDate_ISOFormat_YYYYMMDD"             @version             =    "VersionNumber_use1.0format"            @time                 =     Enumeration value            @insturment     =     Enumeration value            @panel              =     Enumeration value            @geography     =     Enumeration value            @dataSet          =     Enumeration value            @language        =     Enumeration value             r:startDate         =    Start Date for Date, or Time Period covered by the data (use ISO format)               r:EndDate          =    End Date for Date, or Time Period covered by the data (use ISO format)                  r:SimpleDate    =    Date, or Range of Dates (use StartDate and EndDate) for the Event  --><ns1:DDIInstance xmlns:ns1="ddi:instance:3_0_CR3" xsi:schemaLocation="ddi:instance:3_0_CR3 http://staging.icpsr.umich.edu/DDI/ddi3/DDI_3_0_CR3_2008-03-07_Documentation_XMLSchema/XMLSchema/instance.xsd"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:pr="ddi:profile:3_0_CR3"    xmlns:s="ddi:studyunit:3_0_CR3" xmlns:r="ddi:reusable:3_0_CR3"     xmlns:a="ddi:archive:3_0_CR3" xmlns:g="ddi:group:3_0_CR3"    xmlns:d="ddi:datacollection:3_0_CR3" xmlns:pi="ddi:physicalinstance:3_0_CR3"    xmlns:c="ddi:conceptualcomponent:3_0_CR3" xmlns:ds="ddi:dataset:3_0_CR3"    xmlns:ns7="http://purl.org/dc/elements/1.1/" xmlns:dc="ddi:dcelements:3_0_CR3"     xmlns:p="ddi:physicaldataproduct:3_0_CR3" xmlns:cm="ddi:comparative:3_0_CR3"    xmlns:m1="ddi:physicaldataproduct/ncube/normal:3_0_CR3"    xmlns:m2="ddi:physicaldataproduct/ncube/tabular:3_0_CR3"    xmlns:m3="ddi:physicaldataproduct/ncube/inline:3_0_CR3"     isMaintainable="true"     id="Mandatory_Instance_ID" agency="Identifying_Agency_NCName"    versionDate="2008-04-03T15:38:39" version="1.0" >    <r:Citation>                 <r:Title>Mandatory: DDIInstance Title</r:Title>    </r:Citation>       <g:Group time="T0" instrument="I0" panel="P0" geography="G0" dataSet="D0" language="L0" id="Mandatory_Group_ID">       <r:Citation>           <r:Title>Mandatory: Goup Title</r:Title>       </r:Citation>              <g:Purpose id="Mansatory_Purpose_ID">           <r:Content>Mandatory: Human-Readable Purpose of Group (allows xhtml) </r:Content>       </g:Purpose>   </g:Group>    <s:StudyUnit id="Mandatory_Study_ID" version="1.0">        <r:Citation>            <r:Title>Mandatory: Study Title</r:Title>            <r:AlternateTitle>Alternate Title</r:AlternateTitle>            <r:Creator>Name of Creator</r:Creator>        </r:Citation>        <s:Abstract id="Mandatory_Abstract_ID">            <r:Content>Mandatory: Human-Readable Abstract of Study (allows xhtml) </r:Content>        </s:Abstract>        <r:UniverseReference>            <r:ID>Mandatory_Reference_to_UniverseID</r:ID>        </r:UniverseReference>        <s:Purpose id="Mandatory_Purpose_ID">            <r:Content>Mandatory: Human-Readable Description of Study Purpose - Research                Question(s), Hypotheses (allows xhtml) </r:Content>        </s:Purpose>        <r:Coverage>            <r:TemporalCoverage id="Mandatory_TemporalCoverage_ID">                <r:ReferenceDate>                                        <r:StartDate>2008-04-03</r:StartDate>                                      <r:EndDate>2008-04-03</r:EndDate>                </r:ReferenceDate>            </r:TemporalCoverage>        </r:Coverage>        <r:OtherMaterial type="Mandatory_Type">                        <r:Citation>                <r:Title>Mandatory_Title</r:Title>                <r:PublicationDate>                                        <r:SimpleDate>2008-04-04</r:SimpleDate>                </r:PublicationDate>            </r:Citation>                          </r:OtherMaterial>                <d:DataCollection id="Mandatory_DataCollection_ID">            <d:ProcessingEvent>                <d:Weighting id="Mandatory_Weighting_ID">                    <r:Content>Mandatory: Human-Readable weighting of processing event (allows xhtml)</r:Content>                </d:Weighting>                            </d:ProcessingEvent>        </d:DataCollection>        <pi:PhysicalInstance id="Mandatory_PhysicalInstance_ID">            <pi:RecordLayoutReference>                <r:ID>Mandatory_Reference_to_ID_of_RecordLayout</r:ID>            </pi:RecordLayoutReference>            <pi:DataFileIdentification id="Mandatory_DataFileIdentification_ID">                <pi:URI>Mandatory: URI for Data File (use URI structure)</pi:URI>            </pi:DataFileIdentification>        </pi:PhysicalInstance>                      <a:Archive id="Mandatory_Archive_ID">            <a:ArchiveSpecific>                <a:ArchiveOrganizationReference>                    <r:ID>Mandatory_Reference_to_ID_of_Organization_or_Individual_who_acts_as_Archive</r:ID>                </a:ArchiveOrganizationReference>                <a:Item>                    <a:CallNumber>Specifies call number used by Archive for this Item</a:CallNumber>                </a:Item>            </a:ArchiveSpecific>            <a:OrganizationScheme id="Mandatory_OrganizationScheme_ID">                               <a:Organization id="Mandatory_Organization_ID">                    <r:Name>Name of Organization</r:Name>                </a:Organization>                <a:Role id="Mandatory_Role_ID">                    <a:EntityReference>                        <r:ID>Mandatory_EntityReference_ID</r:ID>                    </a:EntityReference>                    <a:OrganizationReference>                        <r:URN>Reference to ID of Organization </r:URN>                    </a:OrganizationReference>                    <r:Description>Description of role</r:Description>                </a:Role>                            </a:OrganizationScheme>        </a:Archive>            </s:StudyUnit>        </ns1:DDIInstance>