Find over 25,000 psychological definitions


nondirectional test

a statistical test of an experimental hypothesis that does not specify the expected direction of an effect or a relationship. Also called nondirectional alternative hypothesis test; nondirectional hypothesis test; two-tailed test. See nondirectional hypothesis. Compare directional test.

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 2nd 2025

text telephone (TTY)

Sorry, "text-telephone-tty" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.