good grades!) act as positive reinforcers, making the behavior more likely to occur again. In operant conditioning, positive reinforcement involves the addition of a reinforcing stimulus following ...

Social learning theory, developed by psychologist Albert Bandura, uses theories of classical and operant conditioning. But in this theory, the environment plays a large part in learning.

Karen Pryor is a behavioral biologist, a pioneering dolphin trainer, and an authority on applied operant conditioning—the art and science of changing behavior with positive reinforcement.