What is the current strategy for determining the role of genetics in schizophrenia?
a. Conducting twin studies
b. Identifying and studying endophenotypes
c. Conducting adoption studies
d. Identifying and studying the interaction between genes and the environment
b
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Ed has been prescribed methadone because he is addicted to heroin. How does it help?
a. It reduces the cravings for heroin by substituting its own euphoria. b. It causes vomiting if heroin is used. c. It reduces the intensity of withdrawal symptoms. d. It stops his need to get high.
Which of the following groups is most likely to use alcohol and marijuana?
A) African Americans B) Latino American C) Native Americans D) non-Hispanic White Americans
Children who only have opposite-sex friends tend to be
A. no different than children who have same-sex and opposite sex friends. B. unpopular. C. less competent academically. D. unpopular AND less competent academically.
According to behaviorists, why do patients engage in compulsive behaviors?
A. they are irrational thinkers B. they have been punished in the past for engaging in compulsive behaviors C. they need a higher level of anxiety than average to be productive D. those behaviors reduce anxiety and are thus negatively reinforced