Find over 25,000 psychological definitions


systems theory

a theoretical framework involving multiple interrelated elements, wherethe properties of the whole are different from theproperties of the parts; systems are viewed as governed byprocesses of negative feedback (which promotes stability)and positive feedback (which promotes instability).Used to explain a range of phenomena, and a range ofsituations, for instance,Minuchins family systemstheory.

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.