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New Effect Size Rules of Thumb

2009; Wayne State University Press; Volume: 8; Issue: 2 Linguagem: Inglês

10.22237/jmasm/1257035100

1538-9472

Shlomo S. Sawilowsky,

Mentoring and Academic Development

Recommendations to expand Cohen’s (1988) rules of thumb for interpreting effect sizes are given to include very small, very large, and huge effect sizes. The reasons for the expansion, and implications for designing Monte Carlo studies, are discussed.