In a study of adopted children (Tienary et al 1990) the finding that the only children who had a considerable likelihood of becoming schizophrenic were those who had a schizophrenic biological parent and who were also adopted into a troubled home is evidence of
a. the influence of nurture
b. random variation in the population
c. the influence of nature
d. the interaction of nature and nurture
Answer: d. the interaction of nature and nurture
Psychology
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In operant conditioning, an organism learns to do or not do things because_____.
Psychology
A raccoon is trained to put a coin into a container for food but reverts to its natural "washing response." It refuses to give the coins up to put them into the container, preferring to sit and rub the coins together. This behavior is an examp
a. learned helplessness c. autonomic conditioning b. spontaneous recovery d. preparedness
Psychology