Which is a limitation of experimental research as an approach to knowledge?
(a) subjects are often assigned randomly, which makes statistical analysis
difficult
(b) subjects are often assigned randomly, so it is difficult to draw cause-and-
effect inferences
(c) alternative explanations are made less likely
(d) the groups are made pretty much equal, to start with
(e) there is often an inadequate attempt to have more than one situation in an
investigation, even though there are typically many subjects
E
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Which of the following is not true of heritability?
a. It is a population statistic. b. It refers to the percentage of the average difference in a trait within a specific population that is inherited. c. A heritability statistic of 1.0 means that 100% of the differences in a trait is inherited. d. It refers to how much of any one person's characteristics that are inherited.
According to the Cystic Fibrosis Foundation,:
a. cystic fibrosis is the most common fatal, hereditary disease among European-Americans. b. about 30,000 Americans have cystic fibrosis. c. 1 in every 31 people are carriers of cystic fibrosis. d. all of these are true about cystic fibrosis.
Aaron Beck designed personality inventories to measure
A) hostility. B) suicide ideation. C) depression. D) anxiety. E) all of the above.
Most compulsions involve __________ rituals.
A. religious and sexual B. sexual and cleaning C. cleaning and checking D. checking and religious