A Woodchuck Tries to Crack a Walnut Shell in Two

question 100

Multiple Choice

A woodchuck tries to crack a walnut shell in two different ways--with his paws and with his teeth.The last method worked and the first did not; hence,the woodchuck will be more likely to rely on his teeth for splitting the next nut.This observation illustrates the:

• A)the discrimination principle.
• B)the law of practice.
• C)the law of effect.
• D)the Premack principle.

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