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
Psychology
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a. predictive b. criterion c. content d. construct
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Down syndrome is a type of intellectual disability that is due to ____.?
a. ?a defect on chromosome 23 b. ?a defect on chromosome 7 c. ?an extra copy of chromosome 21 d. ?exposure to German measles
Psychology