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.
c
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Insulin is a hormone that is released by the:
a. thyroid gland b. pancreas c. liver d. lateral hypothalamus
Obesity is a medical term describing individuals who are least ____ percent above the ideal weight for their height, weight, age, and gender
a. 5 b. 10 c. 20 d. 30
The mean, mode, and median of the normal distribution are equal.
Answer the following statement true (T) or false (F)
A man doesn't remember fleeing a burning building when he was a child. In Freud's theory, this would be an example of the defense mechanism called regression
a. true b. false