Over time, John, a participant in a longitudinal study, became aware of his own thoughts, feelings, and actions, and consciously revised them when the investigator was present. This is an example of
A) cohort effects.
B) practice effects.
C) selective attrition.
D) biased sampling.
B
Psychology
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The primary problem with using a pretest in an experiment is
a) The pretest may actually encourage participants to be dishonest during the experiment. b) The pretest may sensitize participants and encourage them to act in a specific manner. c) The pretest may bias the experimenter to expect a certain experimental outcome. d) The pretest may lessen the impact of the experimental manipulation and dilute the findings.
Psychology
Which hormone is associated with the tendency to dominate and control others?
a. adrenaline c. testosterone b. estrogen d. thyroxin
Psychology