Sampling distributions of means are always
a. approximately normally distributed.
b. positively skewed.
c. negatively skewed.
d. more variable than the population from which the samples were drawn.
A
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Which of the following is a common characteristic of acute stress disorder and posttraumatic stress disorder?
a. flashbacks b. sleepwalking c. multiple personalities d. increased parasympathetic nervous system arousal
Why does religion play an important role in the lives of people in middle adulthood?
A. Tax benefits result from making monetary contributions to a recognized religion. B. Religion offers a way of explaining events in the world. C. The fear of God is especially salient to people in middle adulthood. D. Religious services are one of the few avenues available for socializing in middle adulthood.
Which of the following would NOT be good advice for treating insomnia?
a. Exercise in the evening is helpful in going to sleep only if the exercise is very light. b. Eat a starchy snack, such as pretzels or cookies before going to bed. c. Read a book, watch TV, or play a video game while in bed. d. Use the paradoxical intention by trying to keep your eyes open in the dark and stay awake as long as possible.
A baby born in the 39th week of a pregnancy is considered
A) very premature. B) premature. C) on time. D) very late.