Twin studies have found ______
a. no significant correlation for rates of alcoholism in monozygotic or dizygotic twins
b. a greater concordance rate of alcoholism for monozygotic twins than for dizygotic
twins
c. a greater concordance rate of alcoholism for dizygotic twins than for monozygotic
twins
d. an equal concordance rate of alcoholism for monozygotic and dizygotic twins
B
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_____ is a statistical technique that allows researchers to create groups of items on a questionnaire with each group assessing a single underlying psychological construct (or trait)
a) Factor analysis b) Regression analysis c) Pretest analysis d) Effect size analysis
Which of the following relationships has the highest "sunk costs"?
A) Ryan and Amy, who have just started dating B) Jeff and Lisa, who have been dating for a blissful year C) Kara and Adam, who have been together for years D) Melissa and James, who are having a stormy, but probably brief, affair
Children and adolescents are rarely affected by the dissociative disorder known as ____
a. depersonalization b. dissociative amnesia c. dissociative fugue d. dissociative identity disorder
The __________ effect occurs when a rater evaluates one employee who is very strong in a number of dimensions such that, by comparison, the next employee is likely to appear weak, even if he is an average worker by other measures
A) contrast B) halo C) comparison D) relativity