Menarche, the first menstruation, happens on the average about four years earlier today than it did a century and a half ago in industrialized nations, presumably due to _______________
a. changes in genetic bases of puberty
b. improved nutrition and reduced disease stress
c. chemicals found in the foods that we eat
d. the increasing stress of modern life
Answer: B
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Heritability is measured on a scale of
a. -1.0 to +3.1. b. 0 to 1. c. 0 to 10. d. 1 to 100.
Lou is in physics class and begins to feel disinterested. He then thinks about his girlfriend and their plans for that weekend. This is an illustration of:
a) Libidinal activity b) Identification formation c) Ego activity d) Primary process thinking
Scrooge, in Dickens's A Christmas Carol, would rate lowest on which of the Big Five factors?
a. conscientiousness b. agreeableness c. neuroticism d. melancholia
The limbic system rings the
A) hypothalamus. B) cingulate. C) cerebellum. D) amygdala. E) thalamus.