Find over 25,000 psychological definitions


multiple personality disorder (MPD)

 a dissociative disorder, whereby two or more distinct and separatepersonalities are manifested within the same individual, each displaying different interests, memories andbehaviour patterns.

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

September 28th 2021

cross sectional study

a research design based on selecting representative groupswho vary on a particular characteristic; when thecharacteristic is age, this design provides a means ofmaking developmental comparisons.