Find over 25,000 psychological definitions


follow-up study

a long-term research project designed to examine the degree to which effects seen shortly after the imposition of an intervention persist over time. Follow-up studies are also used for the long-term study of participants in a laboratory experiment to examine the degree to which effects of the experimental conditions are lasting.

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

May 3rd 2024

American Orthopsychiatric Association

American Orthopsychiatric Association

an interdisciplinary professional organization engaged in preventive, treatment, and advocacy approaches to mental health. The prefix ortho- (from the Greek orthos, “straight”) emphasizes the need for preventive approaches. The American Journal of Orthopsychiatry is its major publication. [founded in 1924 by U.S. physician Karl Menninger (1893–1990)]