When an experimenter's expectations about a behavior influence the results of his experiment, it is called a ______ .
A) self-fulfilling prophecy
B) single-blind experiment
C) double-blind experiment
D) placebo effect
Ans: A) self-fulfilling prophecy
Psychology
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The principle that behaviors are primarilylearned through experience is important in
A) psychoanalysis B)behaviorism C) cognitive psychology D) humanism
Psychology
A few years ago Robert noticed a few gray hairs. A little frustrated, he was able to isolate and pluck them out one by one; however, recently his gray hairs have become overwhelming in number and he has more gray hairs than brunette
Which of the following best describes the development of time period Robert is in? a. emerging adulthood b. young adulthood c. middle adulthood d. late adulthood
Psychology