A set of n = 15 pairs of scores (X and Y values) produces a correlation of r = 0.40 . If each of the X values is multiplied by 2 and the correlation is computed for the new scores, what value will be obtained for the new correlation?
a. r = 0.20
b. r = 0.40
c. r = 0.80
d. Cannot be determined without knowing all the X and Y scores
B
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Researchers have found that as autonomic arousal increases from moderate levels to very high levels:
a. performance on tasks tends to decrease b. performance on tasks tends to improve c. performance on tasks is not affected d. people are more likely to become upset when they make errors
Disorganized schizophrenia is characterized by
a. attacks of fear or panic. b. silliness, laughter, and bizarre or obscene behavior. c. delusions of persecution and grandeur. d. severe depression.
Cash or gifts for the groom, or the groom's family at the time of the marriage, is known as a ____
a. dowry c. offering b. covenant d. sacrifice
According to Basseches, what type of thinking develops in emerging adulthood that involves a growing awareness that problems often have no clear solution and two opposing strategies or points of view may each have some merit?
a. pragmatic thought b. dialectical thought c. formal operational thought d. concrete thought