- Conditions
- Early Intervention, Educational (Head Start and Early Head Start Access and Participation)
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 174 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
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Showing 1–8
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- Conditions
- Early Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- Up to 4 Years
- Enrollment
- 6,723 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- Princeton, New Jersey
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 4,825 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 3 Years and older
- Enrollment
- 1,194 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 1,587 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 3 Years and older
- Enrollment
- 5,193 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 5,593 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Head Start Participation
- Interventions
- Not listed
- Lead sponsor
- Mathematica Policy Research, Inc.
- Other
- Eligibility
- 2 Years and older
- Enrollment
- 560 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia