Calculating Minimum Detectable Impacts in Teen Pregnancy Prevention Impact Evaluations
Evidence | Publications

Calculating Minimum Detectable Impacts in Teen Pregnancy Prevention Impact Evaluations

Evaluation Technical Assistance Update for OAH & ACYF Teenage Pregnancy Prevention Grantees, Brief 7
Published: Dec 30, 2014
Publisher: Washington, DC: U.S. Department of Health and Human Services, Administration on Children, Youth and Families, Office of Adolescent Health
Human Services Family Support Strengthening Families and Responsible Fatherhood
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Associated Project

Teen Pregnancy Prevention: Ensuring Rigorous Program Evaluations

Time frame: 2013-2018

Prepared for:

U.S. Department of Health and Human Services, Administration for Children and Families, Family & Youth Services Bureau

Authors

Lorenzo Moreno

Russell Cole

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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