within-groups variance

variation in experimental scores among identically treated individuals within the same group who experienced the same experimental conditions. It is determined through an analysis of variance and compared with the between-groups variance to obtain an F ratio. Also called within-subjects variance.

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Psychology term of the day

November 22nd 2024

precompetition anxiety

increased cognitive and physiological arousal before a competition. Precompetition anxiety may facilitate or inhibit performance, depending on the performer’s perception of readiness or apprehension. See debilitative anxiety; facilitative anxiety.