A professor conducts a study on tipping behavior in restaurants and hotels, which is designed to determine whether factors such as posture and communication influence tips left by customers. He conducts this study based on his experience of working at a restaurant when he was young. From this scenario, it can be inferred that the initial idea for the professor's study stems from
A. a practical problem.
B. a scientific theory.
C. his observation of an actual event.
D. past research.
Answer: C
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A. superego B. ego C. id D. identity crisis
An individual requesting treatment at a mental health clinic keeps talking about how gangsters are "out to get him.". Before diagnosing paranoid personality disorder, we must determine whether a. his fears are justified
b. his family life is stable. c. he has ever attempted suicide. d. he avoids socialization.
Which of the following are side effects of methamphetamine abuse:
a. deterioration of the teeth b. depression c. damage to dopamine pathways in the brain d. all of these
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a. cocaine. b. alcohol. c. Quaaludes. d. marijuana.