Which of the following is not a characteristic of both light waves and sound waves?
a) purity
b) decibels
c) amplitude
d) wavelength
ANS: b
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Responses on a seven-category bipolar rating scale are scored
A) -3, -2, -1, 0, 1, 2, 3. B) 1, 2, 3, 4, 5, 6, 7. C) -2, -11/2, -1, 0, 1, 11/2, 2. D) 0, 1, 2, 3, 4, 5, 6.
In studies of the effects of sleep deprivation in humans, the tasks that sleep-deprived volunteers are most likely to perform poorly are those that
A) are boringly, easy, and require continuous attention. B) involve critical thinking. C) involve high-level logical deduction. D) test verbal ability. E) test mathematical ability.
Two friends, Tom and Harry, are bowling. Tom never manages to get a strike or a spare, hitting the same 3 pins every frame. Harry on the other hand sometimes hits a strike, sometimes a few pins, and sometimes none at all. It could be said that Tom, while lacking in accuracy, has ________ while Harry does not.
a. Skill b. Validity c. Maturation d. Equivalence
Roughly what percent of all women who give birth develop postpartum depression?
a. one percent b. five percent c. 13 percent d. 20 percent