Find over 25,000 psychological definitions


HIV (human immunodeficiencyvirus)

 a virus that attacks white blood cells in the blood, reducing thebodys ability to fight off illness. HIV causes AIDS and can be transmitted through unprotected sex, by drugusers who use similar equipment and from an infected mother to her unborn child.

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

June 19th 2021

negativereinforcement

in operantconditioning, a method to increase the probability and strength of aresponse by removing or withholding an aversive stimuli  (negative reinforcer)