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A theory of human development initiated by American educational psychologist Edward Thorndike, and developed by American psychologists John Watson and B.F. Skinner.

Behaviorism is a psychological theory of human development that posits that humans can be trained, or conditioned, to respond in specific ways to specific stimuli and that given the correct stimuli, personalities and behaviors of individuals, and even entire civilizations, can be codified and controlled.

Edward Thorndike (1874-1949) initially proposed that humans and animals acquire behaviors through the association of stimuli and responses. He advanced two laws of learning to explain why behaviors occur the way they do: The Law of Effect specifies that any time a behavior is...