Final answer:
The major perspective in psychology that views behavior as shaped by the environment is the Behavioral Perspective, strongly associated with B.F. Skinner.
Step-by-step explanation:
The major perspective in psychology that views behavior as shaped and controlled by one's environment is known as the Behavioral Perspective. This perspective emerged from the work of pioneers such as John Watson and B.F. Skinner, who focused on how external stimuli and consequences influence an individual's behavior.
Skinner, a strict behaviorist, argued that our environments play a crucial role in shaping our actions and that all behavior including personality is influenced by prior learning and the consequences that follow behavior. His methodology emphasized the importance of reinforcements and consequences in developing consistent behavior patterns.