AP PSYCHOLOGY

Detailed explanation-1: -The correct answer is B. (observation). Behaviorists claim that psychological science should only be based on what can be observed. For example, according to behaviorist perspective, thoughts should not be studied by psychologists.

Detailed explanation-2: -The Behavioral Perspective: A Focus on Observable Behavior The behavioral perspective is the psychological approach that suggests that the keys to understanding development are observable behavior and external stimuli in the environment.

Detailed explanation-3: -The Behavioral Perspective * This approach centers around learned behaviors rather than internal processes like cognition. In other words, behavioral psychologists explore psychology through observable behaviors and actions. In this perspective, psychologists treat all behavior as learned or acquired.