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. 2023 Nov 28;36:17. doi: 10.5334/irsp.883

Table 3.

Power analysis.


STUDY SMALLEST EFFECT SIZE FROM ORIGINAL POWER TO DETECT SMALLEST EFFECT SIZE FROM ORIGINAL SMALLEST EFFECT SIZE DETECTABLE WITH 80% POWER


N = 515 N = 1030 N = 515 N = 1030

Study 1 .61 99%+ 99%+ .12 .09

Study 2 .32 99%+ 99%+ .17 .12

Study 5 .31 99%+ 99%+ .13 .09

Note. Effect size for Study 1 and 2 is ϕc and for Study 5 – ; see “Effect sizes calculation” section in the supplementary materials.