The chimps that learned sign language were raised in _____; hence, these studies are _____
A) ?the homes of their caretakers; cross-fostering studies
B) ?the laboratory; artificial language experiments
C) ?the zoo; artificial environment experiments
D) ?a large outdoor setting; naturalistic observation studies
A
Psychology
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Giving placebos in drug experiments is necessary to
a. counteract the random assignment of subjects. b. counteract the side effects of the drug. c. control for the effects of suggestion and expectation. d. keep control subjects from knowing they have been given the real drug.
Psychology
Mr. Winston has difficulty breathing caused by an extreme loss of elasticity in lung tissue. This is known as
A) a stroke. B) emphysema. C) pneumonia. D) diabetes.
Psychology