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Collabra: Psychology (2021) 7 (1): 28202.
Published: 30 September 2021
.... Indeed, a theoretically relevant effect size must be specified for power calculations, equivalence testing, and Bayes factors in order that the inferential statistics test the theory. Specifying relevant effect sizes for power, or the equivalence region for equivalence testing, or the scale factor...
Includes: Supplementary data
Collabra: Psychology (2019) 5 (1): 25.
Published: 07 June 2019
...Steffen R. Giessner; Thomas W. Schubert; Don Moore; Simone Moran Study 1a of Giessner and Schubert ( 2007 ) found a causal effect of vertical spatial cues on power judgments. Recent work showed that this was a false positive ( Klein et al., 2018 ). Here, we test whether another paradigm (i.e...
Collabra: Psychology (2017) 3 (1): 9.
Published: 29 March 2017
... nonsignificant results. Simulations show that the adapted Fisher method generally is a powerful method to detect false negatives. We examined evidence for false negatives in the psychology literature in three applications of the adapted Fisher method. These applications indicate that (i) the observed effect size...