wash-out period

the time frame allotted for an administered drug to be eliminated from the body or for a previously administered intervention to become ineffective. Wash-out periods are particularly important in medical and other clinical research because the carryover effect between treatments might otherwise confound the estimates of treatment effects.

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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.