The power of a statistical test refers to its ability to
a. reject false null hypotheses.
b. reject false experimental hypotheses.
c. reject true null hypotheses.
d. reject true experimental hypotheses.
A
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When college students were asked to rate men and women on scales such as "pleasant-unpleasant," the results indicated that
a. they rated men more positively than women. b. they rated women more positively than men. c. feminine women and masculine men received the highest ratings. d. "macho men" received relatively high ratings.
Children growing up in third world countries are less likely to develop eating disorders. One of the factors related to this decreased risk is a result of which of the following?
a. socioeconomic status b. exposure to Western media c. poor medical care d. modernization in rural areas
In naturalistic observations, one can guard against reactivity by
a. making unobtrusive observations. b. giving unobtrusive instructions. c. making obtrusive measures. d. eliminating confounding variables.
The motor cortex initiates all voluntary movements and is found in:
a. the limbic system c. Broca's area b. the parietal lobe d. the frontal lobe