Designing Small Evaluation Studies - Larry V. Hedges, Elizabeth Tipton

This text describes how to design and analyze small efficacy or evaluation studies, typically carried out as part of the development of programs or interventions in areas such as education. The authors provide guidance on designs for small, randomized trials, and also non-randomized causal designs. The final section compares research designs, discusses approaches to choosing a design, and provides guidance on reporting.
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