Two interval/ratio variables are to _____ coefficient as one interval/ratio variable and one nominal variable are to _____ coefficient
a. Pearson product-moment correlation; Spearman rank-order correlation
b. Spearman rank-order correlation; Pearson product-moment correlation
c. Phi; Spearman rank-order correlation
d. Pearson product-moment correlation; point-biserial correlation
d
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A recent investigation of potential sampling bias in psychological research indicated that approximately___ of the samples in published studies came from the United States
a. 10% b. 33% c. 66% d. 90%
Judgments of people's character made by young children based only on looking at people's faces are
a. more accurate than those made by adults. c. less accurate than those made by adults. d. similar to those made by adults. e. dissimilar to those made by adults.
Theta waves are:
a. the low-amplitude, irregular waves that occur during Stage N1 sleep b. the high-amplitude, slow waves that occur in a relaxed, drowsy state c. the occasional sudden, sharp wave forms that occur during Stage N2 sleep d. the high-amplitude, low-frequency waves that are associated with Stage N3 sleep
One evening Betty was walking to the dorm from the gym when she was stopped by two men who demanded her money. Since she was a good athlete, Betty decided to make a run for it
Pretending to open her purse, she suddenly turned and dashed off. Although pursued, Betty outran her assailants. During this incident, which part of Betty's nervous system was most directly responsible for her successful escape? a. midbrain b. parasympathetic nervous system c. forebrain d. sympathetic nervous system