The mean prevalence rate of hypochondrias/illness anxiety disorder in the general population is reportedly about
a. 12%.
b. 27%.
c. 4.8%.
d. 2.5%.
c
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One of the most successful efforts to reduce risk factors for a medical condition involved three entire communities in California in which residents received different types of interventions or no intervention at all (for the community that served as the control group). The targeted condition in this effort was
A. diabetes. B. cancer. C. heart disease. D. obesity.
Which of the following is a characteristic of formal reasoning?
a. The information needed to solve the problem may be unclear or missing. b. There is typically one correct answer. c. You often need to decide which of the many possible solutions is the most "reasonable." d. It is a type of nonconscious responding.
Most adolescents in the United States
A) get too much sleep. B) are sleep deprived. C) walk in their sleep. D) get just the right amount of sleep.
If Mohammed took the same achievement test at three different times and received scores of 100, 55, and 75, the test would have low levels of
a. validity. c. sampling behavior. b. representativeness. d. reliability.