Find over 25,000 psychological definitions


primary odor

in various theories of odor perception, any of a number of posited odor qualities that somehow combine to produce the perception of an odor. See Crocker–Henderson odor system; Henning’s odor prism; Zwaardemaker smell system.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

February 25th 2025

error of commission

error of commission

a category of human error in which an operator performs an incorrect or additional action, such as pressing a control button twice, leading to inappropriate or duplicate performance of a function. Compare error of omission.