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Calculating Minimum Detectable Impacts in Teen Pregnancy Prevention Impact Evaluations Fact Sheet

Publication/Fact Sheet
 Monitoring and Evaluation Research on TPP Programs and Components Teen Pregnancy Prevention Program
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OPA/Mathematica
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A common goal of a teen pregnancy prevention impact evaluation is to show that the intervention being tested has a positive and statistically significant effect on participant behavioral outcomes. This brief provides an overview of how researchers can calculate the minimum detectable impacts (MDIs) for a given evaluation. An accompanying Excel tool allows evaluators to calculate MDIs for their own impact evaluations, and example calculations are included in the brief.

Supplemental Materials

Download MDI Calculator38.86 KB
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