Dr. Wallace conducted a pre-post testing study where, in the pre-test, the subjects had their reaction times measured through the use of a 30-year-old apparatus that was built especially for this purpose
After many hours of sleep deprivation, the subjects then had their reaction times measured again, but this time Dr. Wallace used a new piece of equipment that she recently purchased. This change in instrumentation might be problematic in terms of
a. testing changes.
b. regression to the mean.
c. maturation.
d. statistical control.
a
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A worker is currently working from 8 A.M. to 4 P.M. If she has to switch to a different schedule, which of these, if any, would help her adjust most easily? a. Move her to the midnight to 8 A.M. shift
b. Move her to the 4 P.M. to midnight shift, but dim the lights after 8 P.M. c. Move her to the 4 P.M. to midnight shift, and keep the lights bright. d. Any of these shifts would produce the same result.
Regarding psychoactive drugs, which of the following statements is FALSE?
a. Among adult Americans, marijuana is the most widely used illicit drug. b. The most commonly used drugs are alcohol and tobacco. c. About 10 percent of Americans currently use illicit drugs. d. The most popular reason for using drugs is to change levels of alertness. e. Psychoactive drugs are chemical substances that act on the brain to affect emotional or mental states.
Endometriosis has become fairly common among women who delay childbearing.
Answer the following statement true (T) or false (F)
______ is a medical specialty that helps prospective parents determine the risk that their children will inherit genetic defects and chromosomal abnormalities.
A. Obstetrics B. Behavior genetics C. Prenatal diagnosis D. Genetic counseling