quintile

n. one of four values in a score distribution that divides it into five equal parts. For example, the first quintile of a distribution is the value below which are the lowest 20% of scores. See quantile.

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Psychology term of the day

February 24th 2025

secondary personality

a second discrete identity that repeatedly controls behavior in individuals with dissociative identity disorder. This personality is in sharp contrast to the original, primary personality and generally has a different name as well as dramatically different attitudes, behavior, manner of speaking, and style of dress.