Flashbacks following LSD use are caused by
a) drug-induced changes in brain structures.
b) LSD released from storage in cells.
c) personality variables that render the user susceptible.
d) The cause is unknown.
d
Psychology
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Psychologists measure the correlation between aptitude test scores and school grades in order to assess the ________ of the aptitude test.
a. reliability b. standardization c. normal distribution d. factor analysis e. validity
Psychology
Ellie and Nathanial’s baby, Gray, was running at about the 9th percentile of the growth norms for weight. Their pediatrician said that Gray was fine, but that children who fall below the 5th percentile of growth norms for weight
a. are at risk for obesity. b. are extremely healthy. c. need medical examination. d. weigh the most.
Psychology