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June 2001
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A Regression-Based Strategy for Defining Subgroups in a Social Experiment
James J. Kemple, Jason C. Snipes
With
Howard Bloom
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Many evaluations of education, employment and training,
and other programs ask not only "what works?" but "what
works for whom?" Addressing the latter question calls for analyses
of program effects on different subgroups of people. Using data from MDRC's
evaluation of Career Academies, this paper from the MDRC methodology series
describes a regression-basedstrategy for defining subgroups that is more
systematic than traditional accumulation strategies.
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