A sample has a mean of M = 90 . If each score in the sample is multiplied by 5, then what is the mean for the new distribution?
a. 18 c. 95
b. 85 d. 450
D
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In classical and operant conditioning, any stimulus can be paired equally easily with any possible outcome
a. True b. False Indicate whether the statement is true or false
Psychological researchers believe that sudden murderers explode into violence because they
a. are quiet and overcontrolled. b. probably suffer from brain damage. c. were habitually aggressive since childhood. d. are essentially schizophrenic.
Which of the following is made by breaking down the entire range of possible scores into classes of equal size and then recording the number of scores falling into each class?
a. scatter diagram b. variability plot c. correlational matrix d. frequency distribution
In the 1950s, if a clinician wanted to use a personality test that required no theoretical interpretation of responses in order suggest a psychiatric diagnosis, the best choice would have been the
a. TAT. b. Rorschach. c. word-association test. d. MMPI.