The essential feature of bipolar I disorder is the occurrence of at least one full-blown
______ episode.
a. major depressive c. hypomanic
b. dysthymic d. manic
D
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In the United States, why has it become difficult to determine when one has become an adult?
a. It hasn't? one is an adult in the U.S. at age 18. b. ?Children are physically reaching adulthood later than in past generations. c. ?Cognitive ability defines adulthood and is difficult to measure. d. One legally becomes an adult at different ages in the U.S. depending upon whether you're voting, driving, orgetting married.
Which of the following chemicals has research found increases during sleep and may lead to changes in dreaming throughout the night?
a) Cortisol b) Insulin c) Adrenaline d) Gamma-aminobutyric acid (GABA)
A psychologist expects physical activity to be related to performance on a measure of creativity. She randomly assigns participants to walk or run on a treadmill for 10 minutes before she measures their creativity. Which of the following best describes the hypothesis in this study?
A. Predictive hypothesis B. Causal hypothesis C. Untestable hypothesis D. Research question
Studies on controlled drinking have found that
A) ?no true alcoholics can be trained to resume normal drinking. B) ?all subjects were functioning well after three years. C) ?abstinence-oriented programs sometimes produce controlled drinkers. D) ?participants trained to abstain were more likely to be successful than those trained to control their drinking.