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Direct linkMcCaffrey, Daniel F.; Ridgeway, Greg; Morral, Andrew R. – Psychological Methods, 2004
Causal effect modeling with naturalistic rather than experimental data is challenging. In observational studies participants in different treatment conditions may also differ on pretreatment characteristics that influence outcomes. Propensity score methods can theoretically eliminate these confounds for all observed covariates, but accurate…
Descriptors: Substance Abuse, Causal Models, Adolescents, Statistical Analysis
