Regarding sleep deprivation, which of the following statements is TRUE?
a. Sleep deprivation is relatively uncommon.
b. Sleep deprivation tends to affect older adults but not young adults of college age. c. People are generally not able to "rebound" from REM deprivation.
d. Loss of sleep impairs reaction times.
e. Even brief periods of sleep deprivation can increase the risk of developing high blood pressure.
d
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Dr. Pettigrew is conducting a study on a new psychotherapy for depression through the outpatient psychological services clinic at his university. The depressed patients in his study are all moderately depressed, and the therapists are clinical psychology interns and post-doctoral fellows who have received extensive training in the new technique. The clients, who are being paid to take part, are
randomly assigned to either the treatment or control group. Overall, the study has been designed to maximize internal validity. What term is used for studies of this nature? a. a psychotherapy efficacy study b. a psychotherapy effectiveness study c. a quasi-experimental treatment study d. an analog treatment study
Responsibility for development of male physical characteristics is on the Y chromosome. The
particular gene is the a. homozygous gene. b. polygenic gene. c. gamete gene. d. SRY gene.
The original purpose of Social Security was to:
A. create a way for seniors to pay for housing expenses. B. provide a supplement to savings and other means of financial support. C. provide the primary source of income for those over age 65. D. create an investment opportunity.
In regards to what is required in secondary education, colleges in the United States, Canada, and Japan begin with ____
a. two years of general education b. two years of math and science c. two years of arts and humanities d. two years within a declared major