effect size

any of various measures of the magnitude or meaningfulness of a relationship between two variables. For example, Cohen’s d shows the number of standard deviation units between two means. Often, effect sizes are interpreted as indicating the practical significance of a research finding. Additionally, in meta-analyses, they allow for the computation of summary statistics that apply to all the studies considered as a whole. See also statistical significance.

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Psychology term of the day

December 26th 2024

RFT

1. abbreviation for relational frame theory.

2. abbreviation for Rod-and-Frame Test.