Answer:
D) shaping.
Step-by-step explanation:
Shaping: This is one of the techniques used in behavior modification and is implemented by the behaviorist B. F Skinner while testing the operant conditioning principles. It is also known as successive approximations method.
Shaping in psychology is defined as a method of behavior modification in which reinforcement is given for the completion of the desired target behavior. Shaping plays a vital role in commercial animal training.
Example: An autistic child can be taught of new behavior through shaping technique.