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      <identifier>36a6ddfaa94b308cc4851cb533263017bd3f420eebf63eebab55dfd2415b5e68</identifier>
      <datestamp>2025-10-30T03:58:43Z</datestamp>
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        <codeBook xmlns="ddi:codebook:2_5" version="2.5" xsi:schemaLocation="ddi:codebook:2_5 http://www.ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd">
    <docDscr>
      <citation>
        <titlStmt>
          <titl xml:lang="en">DDI2.5 XML CODEBOOK RECORD FOR STUDY NUMBER 99001</titl>
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    <citation>
      <titlStmt>
        <titl xml:lang="en">British Mensa Survey of Membership, 1969</titl>
        <IDNo xml:lang="en" agency="UKDA">99001</IDNo><IDNo xml:lang="en" agency="DOI">10.5255/UKDA-SN-99001-1</IDNo>
      </titlStmt>
      <rspStmt>
        <AuthEnty xml:lang="en">Mensa
        </AuthEnty>
      </rspStmt>
      <prodStmt>
        <copyright xml:lang="en">No information recorded</copyright>
        <prodDate xml:lang="en"/>
      </prodStmt>
      <distStmt>
        <distrbtr xml:lang="en">UK Data Service</distrbtr>
        <distDate xml:lang="en" date="1972-01-01T00:00:00Z">01 January 1972</distDate>
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      <verStmt>
        <version date="1972-01-01T00:00:07Z" xml:lang="en"/>
      </verStmt>
      <holdings xml:lang="en" URI="http://doi.org/10.5255/UKDA-SN-99001-1"/>
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      <subject>
        <keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/778dc4e5-2aea-41fb-acbc-f04940788616">AGE</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/d231a89a-3854-43f1-9e8a-d9d61a155b3f">BIRTH ORDER</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/9eca9c03-c900-44d9-806f-3acec00f8fc2">CHILDREN</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/190aedc1-eaa0-4253-8fa5-b391cd23a1bf">EDUCATIONAL ATTENDANCE</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/baefa0b5-c39f-408f-a92a-ea7e7a6c6185">EDUCATIONAL BACKGROUND</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/00000000-0000-0000-0000-000000000000">GENDER</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/205c56de-d9b4-4548-92b2-411873c0b417">INCOME</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/236a24e8-0a98-4352-91ac-9640b26aa8b0">INDUSTRIES</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/00000000-0000-0000-0000-000000000000">INTELLIGENTSIA</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/00000000-0000-0000-0000-000000000000">MARITAL STATUS</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/ad0eac51-f305-4ab2-8525-ffd4a74fb576">PART-TIME COURSES</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/538a6f84-862a-4dc6-b399-1cd98700a1df">POLITICAL ALLEGIANCE</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/389293dc-04af-46eb-8d58-57c2a7f71348">QUALIFICATIONS</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/cb9b24f6-4bbc-4a26-978c-4801dc797ea3">RELIGIOUS AFFILIATION</keyword><keyword xml:lang="en" vocab="ELSST" vocabURI="https://elsst.cessda.eu/id/309e2f2c-c707-447a-8625-e714d6d046a7">SOCIO-ECONOMIC STATUS</keyword>
        <topcClas xml:lang="en">Social and occupational mobility</topcClas>
      </subject>
      <abstract xml:lang="en">&lt;P&gt;Abstract copyright UK Data Service and data collection copyright owner.&lt;/P&gt;</abstract><abstract xml:lang="en">The aim of this study was to examine trends to upward social mobility among a specially selected group of people with above average intelligence. This is a continuous survey, but this dataset is the only wave held at the Data Archive.</abstract><abstract xml:lang="en">&lt;B&gt;Main Topics&lt;/B&gt;:&lt;BR&gt;</abstract><abstract xml:lang="en">Attitudinal/Behavioural Questions&lt;br&gt; Reasons for joining Mensa, whether membership of Mensa raised occupational ambitions, job preference. Questionnaires were also completed by respondent's immediately older and immediately younger siblings.&lt;br&gt; Background Variables&lt;br&gt; Age, sex, marital status, number of children, whether father still alive (if dead: respondent's age at death), position in family, size of family. Occupation (respondent, parents and siblings - mother's occupation before marriage), years of part-time education, highest qualification, word score, gross income. Religious affiliation, political support.</abstract>
      <sumDscr>
        <collDate xml:lang="en" event="single">December 1969</collDate><collDate xml:lang="en" date="1969-12-01T00:00:00Z" event="start">01 December 1969</collDate>
        <nation xml:lang="en">Great Britain</nation>
        <anlyUnit xml:lang="en">Individuals<concept/></anlyUnit><anlyUnit xml:lang="en">National<concept/></anlyUnit><anlyUnit xml:lang="en">Elites<concept/></anlyUnit><anlyUnit xml:lang="en">Mensa members<concept/></anlyUnit>
        <universe xml:lang="en" clusion="I">Adult members of Mensa</universe>
      </sumDscr>
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        <timeMeth xml:lang="en">Repeated cross-sectional study<concept/></timeMeth><timeMeth xml:lang="en">only 1969 data are held at the Archive<concept/></timeMeth>
        <sampProc xml:lang="en">No sampling (total universe)<concept/></sampProc>
        <collMode xml:lang="en">Postal survey<concept/></collMode>
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        <restrctn xml:lang="en">&lt;p&gt;The Data Collection is available to UK Data Service registered users subject to the &lt;a href="https://ukdataservice.ac.uk/app/uploads/cd137-enduserlicence.pdf" target="_blank"&gt;End User Licence Agreement&lt;/a&gt;.&lt;/p&gt;&lt;p&gt;Use of the data requires approval from the data owner or their nominee.&lt;/p&gt;</restrctn>
        <conditions xml:lang="en">See &lt;restrctn&gt;</conditions>
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