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      <Form990PartVIISectionAGrp>
        <PersonNm>Kenneth Prewitt</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Raina Merchant</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Raynard S Kingston</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Walter E Massey</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Daniel Gaylin</PersonNm>
        <TitleTxt>President</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Michele Nachbar</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>James E Dunne</PersonNm>
        <TitleTxt>CFO/EVP/Treasurer</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Ron Jurek</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Kirk Wolter</PersonNm>
        <TitleTxt>Executive Vice President</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Chet Bowie</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Michael Davern</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Caitlin Oppenheimer</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Jeffrey Telgarsky</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>John Dennis</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Kennon Copeland</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Angela Debello</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>John Kalb</PersonNm>
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      <ContractorCompensationGrp>
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          <USAddress>
            <AddressLine1Txt>661 FARGO AVENUE</AddressLine1Txt>
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      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>ATT</PersonNm>
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          <USAddress>
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        <ContractorName>
          <PersonNm>VERIZON</PersonNm>
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          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
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      <ContractorCompensationGrp>
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          <USAddress>
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      <NetGainOrLossInvestmentsGrp>
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        <ManagementAndGeneralAmt>7404469</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>4682568</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>325124</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>5199740</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>363097</ManagementAndGeneralAmt>
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        <FundraisingAmt>0</FundraisingAmt>
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        <ProgramServicesAmt>192018</ProgramServicesAmt>
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        <FundraisingAmt>0</FundraisingAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>40054</ProgramServicesAmt>
        <ManagementAndGeneralAmt>81678</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>4722194</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6754119</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>132241688</ProgramServicesAmt>
        <ManagementAndGeneralAmt>60451663</ManagementAndGeneralAmt>
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        <BOYAmt>16700282</BOYAmt>
        <EOYAmt>6463842</EOYAmt>
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        <ExplanationTxt>PAID STAFF OR MANAGEMENT &amp; DIRECT CONTACT NATIONAL OPINION RESEARCH CENTER ("NORC") SENIOR MANAGEMENT STAFF HAD MEETINGS WITH STAFF IN THE OFFICES OF MEMBERS OF THE U.S. HOUSE OF REPRESENTATIVES AND THE U.S. SENATE. THE PURPOSE OF THESE MEETINGS WAS TO FAMILIARIZE MEMBERS OF CONGRESS WITH NORC MANAGEMENT MEMBERS AND TO EDUCATE THEM ABOUT IMPORTANT SCIENTIFIC OR POLICY MATTERS THAT WERE IMPORTANT TO NORC AND THE SOCIAL SCIENCE COMMUNITY. NORC PARTICIPATED IN MEETINGS TO SUPPORT FUNDING FOR FEDERAL STATISTICS PROGRAMS. NORC ALSO CONDUCTED A NUMBER OF LOBBYING ACTIVITIES IN SUPPORT OF A FEDERAL STATISTICS PROGRAM INCLUDING, BUT NOT LIMITED TO, HOLDING AN EDUCATIONAL BRIEFING FOR CONGRESSIONAL STAFF, ASKING MEMBERS TO SEND LETTERS TO THE APPLICABLE AGENCY, AND SHARING PUBLICATIONS AND OTHER MATERIALS. THESE LOBBYING ACTIVITIES ARE IN STRICT ACCORDANCE WITH THE LOBBYING PRINCIPLES THAT NORC DEVELOPED WITH ITS BOARD OF TRUSTEES.</ExplanationTxt>
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        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>22000</DeferredCompRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>23826</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>903550</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>David Nirenberg</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>536946</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationRltdOrgsAmt>4361</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>22000</DeferredCompRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>37355</NontaxableBenefitsRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>601562</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Amanda Woodward</PersonNm>
        <TitleTxt>Trustee (as of 7/18)</TitleTxt>
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        <OtherCompensationRltdOrgsAmt>1898</OtherCompensationRltdOrgsAmt>
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        <DeferredCompRltdOrgsAmt>22000</DeferredCompRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>52719</NontaxableBenefitsRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>455621</TotalCompensationRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kerwin Charles</PersonNm>
        <TitleTxt>Chair &amp; Trustee (as of 11/18)</TitleTxt>
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        <BonusRelatedOrganizationsAmt>111286</BonusRelatedOrganizationsAmt>
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        <OtherCompensationRltdOrgsAmt>76762</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>22000</DeferredCompRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>63649</NontaxableBenefitsRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>935753</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Diane Lauderdale</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>340932</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
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        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>22000</DeferredCompRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>49</NontaxableBenefitsRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>362981</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Daniel Diermeier</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>840836</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>91000</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>65576</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>72000</DeferredCompRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>47175</NontaxableBenefitsRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>1116587</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Daniel Gaylin</PersonNm>
        <TitleTxt>President</TitleTxt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>44683</OtherCompensationFilingOrgAmt>
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        <NontaxableBenefitsFilingOrgAmt>24022</NontaxableBenefitsFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>771683</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Michele Nachbar</PersonNm>
        <TitleTxt>EVP/Secretary</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>29497</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <NontaxableBenefitsFilingOrgAmt>23920</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>543659</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>James E Dunne</PersonNm>
        <TitleTxt>CFO/EVP/Treasurer</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>29324</OtherCompensationFilingOrgAmt>
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        <NontaxableBenefitsFilingOrgAmt>3445</NontaxableBenefitsFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>521180</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Ron Jurek</PersonNm>
        <TitleTxt>CIO/EVP</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>28457</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <NontaxableBenefitsFilingOrgAmt>25611</NontaxableBenefitsFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>511129</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kirk Wolter</PersonNm>
        <TitleTxt>Executive Vice President</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>6936</OtherCompensationFilingOrgAmt>
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        <NontaxableBenefitsFilingOrgAmt>19113</NontaxableBenefitsFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>499870</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Chet Bowie</PersonNm>
        <TitleTxt>Executive Vice President</TitleTxt>
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        <OtherCompensationFilingOrgAmt>16836</OtherCompensationFilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Michael Davern</PersonNm>
        <TitleTxt>Executive Vice President</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Caitlin Oppenheimer</PersonNm>
        <TitleTxt>Senior Vice President</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jeffrey Telgarsky</PersonNm>
        <TitleTxt>Executive Vice President</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>John Dennis</PersonNm>
        <TitleTxt>Senior Vice President</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kennon Copeland</PersonNm>
        <TitleTxt>Senior Vice President</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Angela Debello</PersonNm>
        <TitleTxt>Senior Vice President</TitleTxt>
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        <PersonNm>John Kalb</PersonNm>
        <TitleTxt>Senior Vice President</TitleTxt>
        <BaseCompensationFilingOrgAmt>264175</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>47000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>23582</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19180</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>353937</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>HEALTH OR SOCIAL CLUB DUES OR INITIATION FEES Daniel Gaylin receives an expense reimbursement for the Quadrangle Club, The University Club, the Economics Club, and the Commercial Club social dues. Such payments are generally provided based on the provisions of a services agreement. The payments for such items are nontaxable to the individual.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 7</FormAndLineReferenceDesc>
        <ExplanationTxt>non-fixed payments NORC paid discretionary bonuses to staff based on individual performance. The President/CEO determined the available bonus pool dollars, and allocated to his or her direct reports (senior executives) based on payroll, (they are also provided the salary and bonus history for staff for the past 5 years). The senior executives determined how their portion of the bonus pool was allocated among the departments/units in their areas. If the allocations deviated substantially from allocations based on payroll, there must be President/CEO review and approval. The President/CEO and senior executives convene to review, finalize, and approve all recommendations for bonuses (other than those people on the Board Compensation Committee). Upon completion of the President/CEO and senior executive review, the approved increases will be sent to HR for those staff not eligible for Board Compensation Review. The President/CEO will meet with the Board Compensation Committee, and obtain approval for the proposed actions for the Board Compensation Committee staff. Once approved the President/CEO will provide HR with the final approved salary actions.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>EXECUTIVE COMMITTEE BY A MAJORITY VOTE OF THE TRUSTEES IN OFFICE, THE BOARD OF TRUSTEES MAY DESIGNATE AN EXECUTIVE COMMITTEE CONSISTING OF AT LEAST THREE TRUSTEES, ONE OF WHOM SHALL BE THE CHAIR OF THE BOARD OF TRUSTEES, WHO SHALL ALSO BE CHAIR OF THE EXECUTIVE COMMITTEE. THE BOARD OF TRUSTEES MAY DESIGNATE ONE OR MORE OF THE TRUSTEES AS ALTERNATE MEMBERS OF THE EXECUTIVE COMMITTEE, WHO MAY REPLACE ANY ABSENT OR DISQUALIFIED MEMBER AT ANY MEETING OF THE COMMITTEE UPON THE REQUEST OF THE CHAIR OF THE BOARD OF TRUSTEES. EXCEPT AS OTHERWISE REQUIRED BY LAW OR THESE BYLAWS, THE EXECUTIVE COMMITTEE SHALL HAVE SUCH AUTHORITY AS THE BOARD OF TRUSTEES SHALL GRANT TO IT FOR THE MANAGEMENT OF THE CORPORATION, INCLUDING THE AUTHORITY TO ATTEND TO AND MANAGE THE DETAILS OF THE BUSINESS OF THE CORPORATION AND THE POWER TO AUTHORIZE THE SEAL OF THE CORPORATION TO BE AFFIXED TO ALL PAPERS THAT MAY REQUIRE IT. THE EXECUTIVE COMMITTEE SHALL NOT DETERMINE IMPORTANT MATTERS OF POLICY AND SHALL, AT ALL TIMES, BE SUBJECT TO THE CONTROL AND SUPERVISION OF THE BOARD OF TRUSTEES. ANY ACTION BY THE TRUSTEES RESCINDING OR CHANGING ANY ACTION TAKEN BY THE EXECUTIVE COMMITTEE SHALL NOT INVALIDATE ANY ACTS OF THE OFFICERS OR OTHER PERSONS PROPERLY TAKEN PRIOR TO SUCH RESCISSION OR CHANGE. THE EXECUTIVE COMMITTEE SHALL KEEP REGULAR MINUTES OF ITS PROCEEDINGS AND SHALL REPORT THE SAME TO THE BOARD OF TRUSTEES AT THE NEXT REQUIRED OR SPECIAL MEETING OF THE BOARD OF TRUSTEES. VACANCIES IN THE EXECUTIVE COMMITTEE SHALL BE FILLED BY THE BOARD OF TRUSTEES AT A REGULAR OR SPECIAL MEETING. FORM 990, PART VI, LINE 7A MEMBERS OR STOCKHOLDERS WHO MAY ELECT THE UNIVERSITY OF CHICAGO IS A RELATED ORGANIZATION OF NATIONAL OPINION RESEARCH CENTER ("NORC"). AS SUCH, THEY HAVE THE RIGHT TO APPOINT GREATER THAN 50% OF NORC'S BOARD OF TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>DECISIONS SUBJECT TO APPROVAL THE UNIVERSITY OF CHICAGO HAS THE RIGHT TO APPROVE THE BOARD OF TRUSTEE'S APPOINTMENT OF MEMBERS OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 REVIEW PROCESS NORC'S PROCESS FOR REVIEWING AND APPROVING THE FORM 990 IS AS FOLLOWS: UPON COMPLETION OF THE RETURN, SEVERAL LAYERS OF REVIEW WERE CONDUCTED. THE INITIAL REVIEW OF THE COMPLETED RETURN WAS COMPLETED BY THE RESPECTIVE STAFF WITHIN THE FINANCE DEPARTMENT. FOLLOWING THE INITIAL REVIEW, THE PRESIDENT AND TREASURER WERE PROVIDED A COPY OF THE RETURN FOR COMMENT. COMMENTS WERE FORWARDED TO GRANT THORNTON FOR INCORPORATION INTO THE RETURN. FOLLOWING THE SENIOR MANAGEMENT REVIEW, THE AUDIT/FINANCE COMMITTEE MEMBERS WERE PROVIDED A COPY OF THE RETURN FOR COMMENT. COMMENTS WERE FORWARDED TO GRANT THORNTON FOR INCORPORATION INTO THE RETURN. FINALLY, THE RETURN IS PRESENTED TO THE FULL BOARD OF TRUSTEES FOR REVIEW PRIOR TO FILING. COMMENTS FROM THESE REVIEWS WERE EVALUATED AND PROVIDED TO GRANT THORNTON, WHO UPDATED THE RETURN, IF APPLICABLE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICT OF INTEREST POLICY MONITORING &amp; ENFORCEMENT NORC HAS A WRITTEN CONFLICT OF INTEREST POLICY ADDRESSING INSTANCES WHERE A THIRD-PARTY RELATIONSHIP OF A NORC EMPLOYEE OR A PAID CONSULTANT COULD IN SOME WAY POTENTIALLY PRESENT OR APPEAR TO PRESENT A COMPROMISE RELATED TO ACTIONS AND DECISIONS MADE ON BEHALF OF NORC. THE POLICY ALLOWS FOR THE PRESIDENT AND TREASURER TO REVIEW AND EVALUATE THE EXTENT OF THE CONFLICT OF INTEREST FOR ANY EMPLOYEE WITH A POTENTIAL OR REAL CONFLICT OF INTEREST. MANAGEMENT WILL THEN DEVELOP A MITIGATION PLAN TO ADDRESS THE SPECIFIC DISCLOSED CONFLICT OF INTEREST. THE CONFLICT OF INTEREST POLICY IS REVIEWED AND APPROVED ON A PERIODIC BASIS BY THE NORC BOARD OF TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINES 15A &amp; 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS FOR DETERMINING COMPENSATION THE COMPENSATION COMMITTEE OF THE NORC BOARD OF TRUSTEES ESTABLISHES AND DETERMINES CERTAIN SENIOR MANAGEMENT EMPLOYEES ANNUAL (GENERALLY, BUT NOT EXCLUSIVELY, THE PRESIDENT AND HIS OR HER DIRECT REPORTS) COMPENSATION AND BONUSES. RECOMMENDATIONS FOR PROPOSED SALARY ADJUSTMENTS AND BONUSES FOR THIS GROUP, ALONG WITH RELEVANT COMPENSATION INFORMATION, ARE PROVIDED TO THE COMPENSATION COMMITTEE FOR REVIEW USING COMPARABLE DATA. ALL SUCH INFORMATION IS CONTEMPORANEOUSLY DOCUMENTED. THE CHAIR OF THE COMPENSATION COMMITTEE SIGNS OFF ON ANY COMPENSATION COMMITTEE APPROVED BONUSES AND SALARY CHANGES FOR HIGHLY COMPENSATED EMPLOYEES. THE COMPENSATION OF OTHER OFFICERS OR KEY EMPLOYEES OF NORC IS REVIEWED ANNUALLY BY THE SALARY REVIEW COMMITTEE ("SRC"), WHICH IS APPOINTED ANNUALLY BY THE PRESIDENT. SRC REVIEWS SIMILAR POSITIONS WITHIN AND ACROSS DEPARTMENTS, STARTING RATES, SALARY RANGE MAXIMUMS, AND DISCUSSES MARKET CONSIDERATIONS. THE SRC MAY APPROVE, DISAPPROVE, MODIFY OR DEFER INCREASES OF COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>HOW DOCUMENTS ARE MADE AVAILABLE TO THE PUBLIC THE ORGANIZATION MAKES ITS ARTICLES OF INCORPORATION, BY-LAWS, CONFLICT OF INTEREST POLICY, FORM 990 AND AUDITED FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST AT THE HEADQUARTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, SECTION B</FormAndLineReferenceDesc>
        <ExplanationTxt>INDEPENDENT CONTRACTORS NORC RECEIVED FEDERAL GOVERNMENT GRANTS TO CONDUCT SOCIAL SCIENCE RESEARCH THAT REQUIRED NORC TO USE SUBCONTRACTORS TO COMPLETE A SIGNIFICANT PORTION OF SUCH RESEARCH. FOR PURPOSES OF REPORTING THE "FIVE HIGHEST COMPENSATED INDEPENDENT CONTRACTORS", NORC HAS NOT CONSIDERED THESE SUBCONTRACTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART IX LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION:SUBCONTRACTS TOTAL FEES:30470763</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART IX LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION:RESPONDENT FEES TOTAL FEES:4982383</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART IX LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION:HIRING AND RECRUITING TOTAL FEES:896055</ExplanationTxt>
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          <BusinessNameLine1Txt>University of Chicago</BusinessNameLine1Txt>
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          <CityNm>Chicago</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60637</ZIPCd>
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        <PrimaryActivitiesTxt>Educ &amp; Resear</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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        <PublicCharityStatusTxt>2</PublicCharityStatusTxt>
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          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
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      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>true</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>true</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>true</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>true</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
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      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
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