The document discusses the behaviorist theory, which views human behavior as something that can be studied and predicted based on conditioning and reinforcement. It outlines several major behaviorist theorists like Ivan Pavlov, B.F. Skinner, and Albert Bandura. The document also describes different types of behaviorism and some of behaviorism's key ideas like classical conditioning, operant conditioning, and observational learning. Finally, it provides some examples of educational applications of behaviorist principles like using positive reinforcement to encourage good behavior in students.