Wilma is 76 years old and has noticed that her memory is not as sharp as it was earlier in her life. This memory loss might be due to which of the following?
a. epilepsy
b. Alzheimer's disease
c. playing computer games
d. exposure to cognitively challenging tasks
B
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Which of the following is obtained for a group of scores by finding the difference of each score from the mean, squaring each difference, finding the average of this total, and lastly, taking the square root of this average?
a. standard deviation b. range c. correlation coefficient d. median
The reason why males are more vulnerable to poor environments than females are may be because
a. males make greater use of language-related brain areas. b. males have a longer developmental period for brain development. c. the volume of males' white matter peaks later. d. males' brains are also more lateralized
All of the following are examples of secondary reinforcers EXCEPT
a. money. b. a good grade on a test. c. a drink of water. d. a mother's reassuring glance.
Which of the following statements is true of hormone replacement therapy?
A) It uses synthetic estrogen and progesterone to treat perimenopausal sensations. B) It increases the risks of osteoporosis and colon cancer. C) It increases the hot flushes and other symptoms brought about by estrogen deficiencies. D) It significantly decreases the risks of strokes and blood clots.