Research Methods

Q: To assess clients' abilities, a phrenologist would want to

(a) :  read their handwriting.
(b) :  examine their skulls.
(c) :  study their palms.
(d) :  record their EEGs.
(e) :  None of the above
Answer:  examine their skulls.
Explanation:  

Q: In a study of effects of alcohol on driving ability, the control group should be given

(a) :  a high dosage of alcohol.
(b) :  one-half the dosage given the experimental group.
(c) :  a driving test before and after drinking alcohol.
(d) :  no alcohol at all.
(e) :  None of the above
Answer:  no alcohol at all.
Explanation:  

Q: A common method for selecting representative samples is to select them

(a) :  randomly from the larger population.
(b) :  strictly from volunteers.
(c) :  by threatening or coercing institutionalized populations.
(d) :  from confidential lists of mail order firms.
(e) :  None of the above
Answer:  randomly from the larger population.
Explanation:  

Q: Which of the following could serve as an experimental hypothesis?

(a) :  Although 25% of U.S. drivers say that they use the seatbelts in their cars, only 14% really do.
(b) :  A case history of multiple personality appeared to be caused by traumatic childhood experiences.
(c) :  College women who are anxious tend to want to be together.
(d) :  As the temperature increases, the number of hit batters in baseball increases.
(e) :  None of the above
Answer:  College women who are anxious tend to want to be together.
Explanation:  

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