You are using operant conditioning principles to train your dog. You reinforce successive approximations of a desired response (in other words when the animal displays a behavior that is close to the desired behavior) you give him a dog biscuit. This is called:.

Shaping

Explanation:

Shaping in terms of operant conditioning is defined as process in which behavior that is successively close to the desired or expected terminal behavior is rewarded .Behavior gets shaped and molded through behavior shaping.

According to the question, providing biscuit as a reward to the dog for showing closely related behavior to the target desired behavior is the method of shaping.Dog's behavior is getting shaped through this process.

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