A Woodchuck Tries to Crack a Walnut Shell in Two

question 84

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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