human factors psychology

a branch of psychology that studies the role of human factors in operating systems, with the aim of redesigning environments, equipment, and processes to fit human abilities and characteristics. See human engineering. See also ergonomics; sociotechnical systems approach.

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Psychology term of the day

February 24th 2025

secondary personality

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.