Effect size measures for mediation models: quantitative strategies for communicating indirect effects.

By Kristopher J Preacher, Ken Kelley. Psychological methods, 2011

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Organization-Based Self-Esteem and Meaningful Work Mediate Effects of Empowering Leadership on Employee Behaviors and Well-Being (2018, methodology): “To determine the criteria for describing the magnitude of effect sizes, Cohen’s guidelines defining small (.01), medium (.09), and large (.25) effect sizes were considered (Preacher & Kelley, 2011).”
The impact of relational governance on performance improvement in export manufacturing firms (2018, methodology): “We also report K 2 statistics to provide a standardised effect size for any significant effects following recommendation for estimating “the proportion of the maximum possible indirect effect that could have occurred” (Preacher & Kelley, 2011).”
Corporate governance quality and financial leverage: Evidence from China (2020, methodology): “2, we perform the mechanism analysis from corporate internal financing and external equity financing by employing a three-step regression model based on Preacher and Kelley (2011). Table 8 reports the results of three regression analyses.”
Stigma, Pluralistic Ignorance, and Attitudes Toward Seeking Mental Health Services Among Police Officers (2016, background): “This may be interpreted as a large effect size (Preacher & Kelley, 2011).”