Which statement most accurately describes embryonic development of the nervous system in humans?
a. The majority of cells remain as primitive neurons until birth.
b. All synapses that are formed are permanent
c. Neurons form before birth; synapses form after birth.
d. Far more neurons are produced than will ultimately survive.
d
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Andrew wants to play baseball with his friends. Before Andrew can play, his parents tell him that he has to clean his room, which he hates to do. Requiring Andrew to clean his room before he can play baseball with his friends is an example of:
a. punishment b. the Premack Principle c. escape behavior d. negative reinforcement
"Normative social influence" is the term used to describe when we conform to what we believe to be the norms of the group in order to be accepted by its members
Answer the following statement(s) true (T) or false (F)
Which of these most accurately describes how medical costs interact with life expectancy in the United States today?
A) ?People with chronic conditions incur more medical costs than older people. B) ?Older Americans today have poorer health than older Americans in the past. C) ?Older Americans today represent more of Americans with chronic diseases. D) ?Medical costs are due to more people living longer, not to chronic diseases.
A test can be _________, yet not __________
a) reliable; valid b) valid; reliable c) reliable; consistent d) accurate; consistent