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      Required Sample Size to Detect the Mediated Effect

      1 , 1
      Psychological Science
      Wiley

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          Abstract

          Mediation models are widely used, and there are many tests of the mediated effect. One of the most common questions that researchers have when planning mediation studies is, "How many subjects do I need to achieve adequate power when testing for mediation?" This article presents the necessary sample sizes for six of the most common and the most recommended tests of mediation for various combinations of parameters, to provide a guide for researchers when designing studies or applying for grants.

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          Author and article information

          Journal
          Psychological Science
          Psychol Sci
          Wiley
          0956-7976
          1467-9280
          December 04 2016
          March 2007
          December 04 2016
          March 2007
          : 18
          : 3
          : 233-239
          Affiliations
          [1 ]Arizona State University
          Article
          10.1111/j.1467-9280.2007.01882.x
          2843527
          17444920
          b0822c3f-105b-4079-a0e5-188b8d068e0f
          © 2007

          http://journals.sagepub.com/page/policies/text-and-data-mining-license

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