Causal Inference in Randomized Experiments With Mediational Processes

While methods to improve estimation and inferential procedures for mediation analyses have continued to develop (e.g., Kraemer, Kiernan, Essex, & Kupfer, 2008; MacKinnon, 2008; MacKinnon & Dwyer, 1993; MacKinnon, Lockwood, Hoffman, West, & Sheets, 2002; .

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