The primary factor involved in the onset of puberty are genetics and
A) androgens and estrogens. B) gender concept.
C) HPG and leptin. D) sex-typed behaviors.
A
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Hebb believed that short-term memory ____.
A. should not be distinguished from long-term memory B. was a temporary holding station on the way to long-term memory C. was more important than long-term memory D. was low-level memory
We are ________ likely to be attracted to and ________ likely to vote for a political candidate with whom we share similar attitudes
a. more; more b. no more; more c. no more; no more d. more; no more
These days, people are more likely to die from chronic diseases than from infectious diseases. That means the dying will take __________ time and will likely take place __________
A) less; at home B) less; in a hospital or nursing home C) more; at home D) more; in a hospital or nursing home
According to life-span developmentalist Paul Baltes (2003), the benefits conferred by evolutionary selection decrease with age. Natural selection has not weeded out many harmful conditions and nonadaptive characteristics that appear among older adults. Why?
A. Degeneration aids in the transmission of desirable traits to future generations. B. Natural selection operates primarily on characteristics that are tied to reproductive fitness. C. Evolved mechanisms are always adaptive in contemporary society. D. Human evolution has no effect on previous generations.