Find over 25,000 psychological definitions


number-completion test

an intelligence test, or a component of one, in which the subject is required to supply a missing item in a series of numbers or to continue the series. A component of such a test might be: 6, 9, 13, 18, ___ (the next number is 24).

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

January 11th 2025

test marketing

test marketing

research undertaken to assess consumer reactions to new or altered products. Companies often try to carry out this research discreetly so that competitors are unaware of any potential changes. On the basis of the results, products may be introduced into the general market, introduced after changes, or withdrawn.