Regression to the mean can occur when
a. performance on two measures is not completely correlated
b. there is selection on the basis of a measure correlated with the measure of interest
c. a person who scores on the extremes on one test scores closer to the middle on a later test
d. All of these are true.
d
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We can identify group norms by observing which behavior?
The percentage of the general population that reports some symptoms of insomnia during any given year is approximately ____ percent
a. 10 b. 20 c. 33 d. 50
How did the middle class in the late 19th century achieve "death with order"?
a. By making sure that the death of loved ones occurred in full view of the family. b. The middle class felt that they could not achieve "death with order" c. By creating separate sphere ideology: men's work away from the home, women's work from men's, specialists (medical, clerical, etc.). d. By preparing funeral arrangements far in advance.
Steven suspects that responding to e-mail increases stress. He sets up a computer program to randomly e-mail people to participate in his study. He recognizes that different groups of people may respond to stress differently, so his program is designed to e-mail an equal percentage of men and women. What is Steven’s research hypothesis?
What will be an ideal response?