The dual process hypothesis of sleep describes
a. how the slow wave sleep early in the night brings activation levels down so the brain can be refreshed and less important memories can fade.
b. how random activity in lower brain centers results in the manufacture of relatively bizarre dreams by higher brain centers.
c. how dreams reflect everyday waking thoughts and emotions.
d. why a dreamer feels awake and capable of normal thoughts and actions.
A
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Sedgh, Singh and Hussain (2014) reported that 85 million pregnancies, which is ______ of all pregnancies, were unintended in 2012.
A. 20% B. 30% C. 40% D. 50%
Caffeine use has NOT been linked to which of the following conditions?
a. narcolepsy b. bladder cancer c. miscarriages d. growth of breast cysts in women
Common reactions to a traumatic experience include
a. insomnia and nightmares. b. depersonalization and mania. c. food-bingeing and bulimia. d. overworking and job burnout.
When everyone answers an item incorrectly the p value will be
a) 0.0 b) 1.0 c) between 0.0 and 1.0 d) -1.0