When operant conditioning is used to shape complex behavior such as playing a piano, reinforcement is applied through a method of successive approximations.
Operant conditioning is a method of behavior management developed by B.F.Skinner which is based on the premise that a behavior which is rewarded will be repeated, and one that is punished will occur less frequently. Thus, whether an action will or will not be repeated depends on the consequences of that action.
Successive approximation involved rewarding those behaviors closely approximating the desired behavior. This process gradually produces the desired behavior.
Operant conditioning is contrasted with classical conditioning which relies on stimulating desired behavior.
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