A scientist has injected a laboratory rat with the hormone cholecystokinin (CCK). You would expect the rat will experience a(n):
a. increase in the desire to eat
b. decrease in the desire to eat
c. increase in the desire for sexual activity
d. decrease in the desire for sexual activity
B
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With at least some distribution-free tests, a two-tailed test
a. is not appropriate. b. requires an additional calculation. c. is more likely to be significant than a one-tailed test. d. is automatic.
In trying to make sense of the social world, people are much like amateur scientists. This observation is most compatible with Heider's (1958) classic scholarly work on
a. causal attributions. b. implicit personality theories. c. commonsense psychology. d. correspondent inferences.
Individuals who possess two identical genes for a particular trait
A) are homozygous for that trait. B) are heterozygous for that trait. C) cannot have offspring of the same phenotype for that trait. D) cannot have offspring of the same genotype for that trait. E) none of the above
Neuroscience research demonstrates that areas of the brain related to visual processing ___________ with age.
A. increase B. stay the same C. fluctuate D. decline