the behaviorist movement rejected what practice of psychology
Behaviorism (or behaviourism) is an approach to psychology that focuses on an individual's behavior. It combines elements of philosophy, methodology, and psychological theory. Radical: Skinner 's behaviorism expands behavioral principles to processes within the organism. 2  It acknowledges the presence of private events such as thoughts and feelings, and suggests that environmental variables control these internal events just as they control observable behaviors.