Does the phenomenon of sign-tracking appear to be adaptive?
a. No, because it can cause subjects to lose food.
b. No, because it occurs only in the laboratory.
c. Yes, because in nature signals for food are located close to food.
d. Yes, because pigeons rapidly learn to ignore the stimulus and go straight to the food.
Ans: c
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Which one of the following is required to yield an accurate estimate of reliability/precision using the split halves method?
a. The two halves must be equivalent in length and content. b. The scores on each half must be equivalent. c. The first half must contain more questions than the second half. d. The estimate must be calculated using the coefficient alpha.
Myoclonia is usually observed during
A. waking. B. stage 1 NREM sleep. C. stages 3 and 4 NREM sleep. D. REM sleep.
Homo sapiens 200,000 years ago had a vocal apparatus that was not notably different from ____
a. chimpanzees b. ours c. baboons d. gorillas
To Kohut, a selfobject refers to
a. someone who is opposite to the self. b. someone important in satisfying the self's needs. c. someone who is threatening to the self. d. impressions of oneself.