Volunteer __________ is a problem in experimental research because some types of people may be more willing to participate in certain studies than others. This willingness may end up impacting the results of the research.
A. bias
B. blindness
C. generalizability
D. demand
Answer: A
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Today, ______ is the most frequently used illegal drug in the United States
a. alcohol c. ecstasy b. cocaine d. marijuana
__________ therapies have had considerable success in treating bed-wetting, overeating, drug addictions, and phobic reactions.
A. Behavior B. Psychoanalytic C. Biomedical D. Humanistic
During middle childhood, the bones of the body ________.
A. stop growing B. shorten and narrow C. lengthen and broaden D. firmly attach to ligaments
In the Strange Situation, Philip seeks closeness to his mother and often fails to explore. When his mother leaves, Philip is distressed, and on her return he alternately clings to her and hits her. Philip is displaying characteristics of ________
attachment. A) secure B) insecure?avoidant C) insecure?resistant D) disorganized/disoriented