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Keywords: effect sizeClose
Collabra: Psychology (2021) 7 (1): 24087.
Published: 07 June 2021
...Don C. Zhang; Jonathan Wai Research evidence in the social sciences often relies on effect size statistics, which are hard to understand for the public and do not always provide clear information for decision-makers. One area where interpretation of research evidence has profound effects on policy...
Includes: Supplementary data
Collabra: Psychology (2020) 6 (1): 45.
Published: 29 September 2020
... author and source are credited. See http://creativecommons.org/licenses/by/4.0/ . multiple linear regression R-squared amount of variance explained effect size Multiple linear regression is one of the most used analysis methods within psychological research. The R-Squared ( R 2 ) value...
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...