Which of the following is a descriptive method used in psychological research?

a. an experiment
b. a case study
c. a double-blind study
d. a single-blind study

Answer: b

Psychology

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The results ofresearch on genetic and environmental factors involved in alcohol abuse find that ____

a. genetic factors accounted for 56 percent of the risk of alcohol dependence b. genetic factors accounted for 75 percent of the risk of alcohol abuse c. genetic factors accounted for 45 percent of the risk of alcohol dependence while shared early environment made an 11 percent contribution to risk d. genetic factors made no significant contribution to risk of alcohol dependence while early environment made accounted for 56 percent of the risk of alcohol dependence

Psychology

In the experiment in which college students breathed air with increased amounts of carbon dioxide through a mask, the students found it much LESS stressful if they

a. were surprised by the trials that contained the increased amount of carbon dioxide. b. were told which trial would contain an increased amount of carbon dioxide. c. did not have to control the amount of carbon dioxide entering the mask. d. experienced repeated trials of the "surprise whiffs" of carbon dioxide in increased amounts.

Psychology