Scores on a test range from 16 to 80, with a mean of 50 and a standard deviation of 10. If a particular participant scored 65 on the test, his z-score would be
a. .65
b. 15.0
c. -15.0
d. 1.5
e. the z-score cannot be calculated from this information
d
Psychology
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Tolerance for a psychoactive substance refers to
a. withdrawal. b. psychological dependence. c. the ability to consume several drugs at the same time with limited adverse effects. d. requiring more of the substance to achieve the same effect that lower doses once achieved.
Psychology
Of the following, which comes from the peyote cactus?
a) mescaline b) psilocybin c) marijuana d) ergot
Psychology