Propensity Score Matching - Statpower
Propensity Score Matching - Statpower
Propensity Score Matching - Statpower
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IntroductionModeling the CovariatesSubclassification<strong>Matching</strong>Balancing <strong>Score</strong>sThe <strong>Propensity</strong> <strong>Score</strong><strong>Matching</strong> MethodsUsing <strong>Propensity</strong> <strong>Score</strong>s – A General StrategyAn ExampleSubclassification on a Single CovariateSuppose, for the sake of argument, that there is only oneconfounding covariate in the study, and it is the level ofeducation of the mother.One way of controlling for the impact of this covariate is tocreate subclassifications, within which the covariate has thesame value in experimental treatment and control groups.Here are some illustrative data from Gelman & Hill .Multilevel<strong>Propensity</strong> <strong>Score</strong> <strong>Matching</strong>
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