In the process of shaping, behaviors are ordered in terms of increasing similarity to the desired response. these behaviors are called unconditioned stimuli successive approximations primary reinforcers secondary reinforcers punishment

Successive approximation.

Explanation:

In the process of shaping, behaviors are ordered in terms of increasing similarity to the desired response. These behaviors are called successive approximations. Psychologists have given us a new understanding of animal and human behavior. Successive approximation consists of rewards and positive reinforcement for behavior's successive steps that are increasingly  similar to the desired response.

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