Calculating Minimum Detectable Impacts in Teen Pregnancy Prevention Impact Evaluations
Evaluation Technical Assistance Update for OAH & ACYF Teenage Pregnancy Prevention Grantees, Brief 7
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Associated Project
Teen Pregnancy Prevention: Ensuring Rigorous Program Evaluations
Prepared for:
U.S. Department of Health and Human Services, Administration for Children and Families, Family & Youth Services Bureau
This brief provides an overview of how researchers can calculate the minimum detectable impacts (MDIs), which are related to power calculations, for Teen Pregnancy Prevention (TPP) evaluations. It describes a tool that evaluators can use for their own MDI calculations, and includes examples that highlight how to use the tool. A technical appendix provides more details on the formulae in the tool that inform MDI calculations.
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