elimination drive

the urge to expel feces or urine from the body. Psychological factors have considerable effects on these drives; for example, tension and fright may precipitate involuntary voiding of both the bladder and bowel. See defecation reflex; encopresis; enuresis; micturition reflex.

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Psychology term of the day

February 16th 2025

multiple comparison test

any of various statistical procedures used to follow up on a significant result from an analysis of variance by determining which groups in particular differ in their mean values. Examples include Duncan’s multiple range test, the Fisher least significant difference test, the REGWQ test, the Scheffé test, and Tukey’s honestly significant difference test. See also post hoc comparison.