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      <PublicSupportTotal509Amt>2439688</PublicSupportTotal509Amt>
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        <CurrentTaxYearMinus1YearAmt>168149</CurrentTaxYearMinus1YearAmt>
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        <TotalAmt>632978</TotalAmt>
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        <TotalAmt>4618</TotalAmt>
      </OtherIncome509Grp>
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      <InvestmentIncomeCYPct>0.17000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.13000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART III, LINE 12</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER INCOME 4,618</ExplanationTxt>
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    <IRS990ScheduleB documentId="RetDoc1">
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        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleF documentId="RetDoc6">
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      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>AUSTRALIA</RegionTxt>
        <OfficesCnt>1</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>TREASURER'S OFFICE</TypeOfActivitiesConductedTxt>
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      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>1</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>1</SubtotalEmployeesCnt>
      <TotalOfficeCnt>1</TotalOfficeCnt>
      <TotalEmployeeCnt>1</TotalEmployeeCnt>
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      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>JACOBS - FELLOWS - STIPEN</TypeOfAssistanceTxt>
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      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>JACOBS - FELLOWS - TRAVEL</TypeOfAssistanceTxt>
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      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>PROFESSIONAL DEVELOP TRAV</TypeOfAssistanceTxt>
        <RegionTxt>AFRICA</RegionTxt>
        <RecipientCnt>11</RecipientCnt>
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      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>DCF FELLOWS - STIPENDS</TypeOfAssistanceTxt>
        <RegionTxt>AFRICA</RegionTxt>
        <RecipientCnt>5</RecipientCnt>
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      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>DCF FELLOWS - TRAVEL</TypeOfAssistanceTxt>
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      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>YOUNG SCHOLAR TRAVEL FUND</TypeOfAssistanceTxt>
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        <TypeOfAssistanceTxt>YOUNG SCHOLAR TRAVEL FUND</TypeOfAssistanceTxt>
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      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>YOUNG SCHOLAR TRAVEL FUND</TypeOfAssistanceTxt>
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        <TypeOfAssistanceTxt>YOUNG SCHOLAR TRAVEL FUND</TypeOfAssistanceTxt>
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      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>YOUNG SCHOLAR TRAVEL FUND</TypeOfAssistanceTxt>
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        <TypeOfAssistanceTxt>YOUNG SCHOLAR TRAVEL FUND</TypeOfAssistanceTxt>
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        <TypeOfAssistanceTxt>GRANTS / AWARDS</TypeOfAssistanceTxt>
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        <TypeOfAssistanceTxt>GRANTS / AWARDS</TypeOfAssistanceTxt>
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      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>GRANTS / AWARDS</TypeOfAssistanceTxt>
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        <TypeOfAssistanceTxt>GRANTS / AWARDS</TypeOfAssistanceTxt>
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      <TransferToForeignCorpInd>false</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>false</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE F, PAGE 1, PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>YOUNG SCHOLARS SUBMIT APPLICATIONS FOR TRAVEL REIMBURSEMENTS TO THE CONFERENCE. THE YOUNG SCHOLARS COMMITTEE APPROVES THE APPLICATIONS THAT WILL BE PAID FROM FUNDS GRANTED FROM ORGANIZATIONS SUCH AS JACOBS FOUNDATION, COTE D'IVOIRE, THE NATIONAL SCIENCE FOUNDATION, AND THE AMERICAN PSYCHOLOGICAL FOUNDATION. TRAVEL EXPENSES FOR THE YOUNG SCHOLARS AND THEIR MEETING REGISTRATION FEES ARE EITHER PAID DIRECTLY TO THE AIRLINE OR REIMBURSED TO THE YOUNG SCHOLAR BY CHECK OR WIRE TRANSFER. SOME DEBIT CARDS ARE USED FOR MISCELLANEOUS CONFERENCE EXPENSES, AIRFARE EXPENSES, AND OTHER MEETING COSTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE F, PAGE 1, PART I, LINE 3</FormAndLineReferenceDesc>
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      <GrantRecordsMaintainedInd>false</GrantRecordsMaintainedInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE I, PAGE 1, PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>YOUNG SCHOLARS SUBMIT APPLICATIONS FOR TRAVEL REIMBURSEMENTS TO THE CONFERENCE. THE YOUNG SCHOLARS COMMITTEE APPROVES THE APPLICATIONS THAT WILL BE PAID FROM FUNDS GRANTED FROM ORGANIZATIONS SUCH AS JACOBS FOUNDATION, THE NATIONAL SCIENCE FOUNDATION, AND THE AMERICAN PSYCHOLOGICAL FOUNDATION. TRAVEL EXPENSES FOR THE YOUNG SCHOLARS AND THEIR MEETING REGISTRATION FEES ARE EITHER PAID DIRECTLY TO THE AIRLINE OR REIMBURSED TO THE YOUNG SCHOLAR BY CHECK OR WIRE TRANSFER. SOME DEBIT CARDS ARE USED FOR MISCELLANEOUS CONFERENCE EXPENSES, AIRFARE EXPENSES, AND OTHER MEETING COSTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 1, PART I, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>OFFICES AND GOVERNING COUNCIL MEMBERS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL MANAGEMENT SERVICES PROVIDED BY RICK BURDICK, UNDER AN AGREEMENT THAT BEGAN JANUARY 1, 2017. UNDER THE TERMS OF THE AGREEMENT, ISSBD PAYS A MANAGEMENT FEE OF 2,985 PER CALENDAR QUARTER INCREASED 3% ANNUALLY FOR 2018 AND BEYOND. THE 2024 RATE WAS 3,671.17 PER QUARTER. ADDITIONALLY, MANAGEMENT RECEIVED A ONE-TIME HONORARIUM PAYMENT OF 10,000 FOR WORK ON THE JACOBS GRANT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY IS MEMBER BASED ORGANIZATION COMPRISED OF INTERNATIONAL BEHAVIORAL DEVELOPMENT SCIENTISTS WHO JOIN THE ORGANIZATION AND PAY MEMBERSHIP DUES</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS MEMBERS WHO VOTE TO ELECT THE MEMBERS OF THE GOVERNING BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING BOARD RECEIVES AND REVIEWS THE TREASURERS ANNUAL REPORT FROM WHICH FORM 990 INFORMATION IS GATHERED. THE SOCIETY'S CPA PREPARES FORM 990, A DRAFT OF WHICH IS SENT TO THE ABOVE OFFICERS FOR THEIR REVIEW AND APPROVAL. THE OFFICERS READ AND REVIEW THE ENTIRE FORM 990, OFFER ANY COMMENTS OR CORRECTIONS, AND AN OFFICER SIGNS THE 990.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY MAKES ITS GOVERNING DOCUMENTS AND FINANCIAL DISCLOSURES TO ITS MEMBERS AND THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>