Answer: Shaping
Step-by-step explanation:
The shaping is one of the type of operant conditioning procedure or approach basically guiding the specific behavior for the desired target and it is also known as the successive approximation.
Shaping is one of the approach that involve the behavior modification method or technique where the target behavior are get rewarded by using the step by step procedure.
According to the given question, the shaping is one of the operant condition process where the successive approximation response are reinforced.
Therefore, Shaping is the correct answer.