The principal sex hormones in males are:
a. estrogens
b. pheromones
c. androgens
d. endorphins
C
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Every time the rat presses the right lever, it receives one pellet. When the rat presses the left lever, 70% of the time it receives nothing and 30% of the time it receives five pellets. The rat's lever pressing is being _____, reinforced and prospect theory predicts that the rat's will prefer to press the _____ lever.
A) positively; right B) negatively; right C) positively; left D) negatively; left
Describe how the physical properties of the molecules we taste determine the nature of the
taste sensations. What will be an ideal response?
An area of agreement between the psychodynamic and behaviorist perspectives is
A) the belief that free will is an illusion. B) the importance of the conscious mind. C) the importance of sexuality and aggression as human motives that drive personality. D) their focus on the unconscious mind as it was conceptualized by Sigmund Freud.
According to the Early Child Care study, children whose mothers work outside the home
a. are more likely to develop insecure attachments than those children whose mothers stay at home with them. b. are more likely to develop insecure attachments when they spend many hours in day care. c. are likely to develop insecure attachments when their mothers showed less sensitive mothering combined with low quality or large amounts of day care. d. are more likely to develop insecure attachments when parents changed child-care arrangements frequently.