Dr. Wyner has determined that his new intelligence test is reliable, which means that it
A. Measures what it claims to measure
B. Yields almost the same score, each time it is given to the same person
C. Is that administered using standard procedures
D. Gives the same score when different people correct it
Answer: B. yields almost the same score, each time it is given to the same person
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According to recent research, the median duration of recurrent (subsequent to the first episode) major depressive episodes is a. 1 to 2 months
b. 4 to 5 months. c. 7 to 9 months. d. 11 to 12 months.
Although they appear to be in top physical condition, professional basketball players often get sick during the eighty-two-game, six-month-long NBA season. According to the textbook, a likely reason is that ____
a. ?they are exposed to many more germs than other people b. ?their bodies' reserves of adaptive energy are worn down by the constant and long-lasting stressors of the season c. ?a physical defense mechanism kicks in to protect the athletes from burnout d. ?their sympathetic nervous systems become overworked in the resistance stage, and too few catecholamines are released into the bloodstream
__________ may be considered a normal part of aging, but it is still a visual disorder and many people find it hard to adjust to it
a. Monochromacy b. Dichromacy c. Strabismus d. Presbyopia
In which of the phases of sexual response does the genital area undergo a series of muscular contractions?
a) excitement b) plateau c) orgasm d) resolution