Which of the following is true about our biological clock?
A. Its cycle is slightly longer than 24 hours.
B. Its cycle is slightly shorter than 24 hours.
C. Its cycle is not affected by external factors.
D. Its cycle is not affected by artificial factors.
Answer: A
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We are more likely to maintain long term attraction with someone:
a. with complementary traits b. with similar traits c. who is talkative d. who lives in a collectivistic society
Carrie was getting less sleep during midterms so she began drinking one cup of coffee in the morning to feel more alert. By the end of the semester, Carrie was drinking three cups of coffee each morning to get the same sense of alertness. What has happened to Carrie?
A. She is experiencing tolerance to coffee. B. Her nervous system is increasing her body's response to coffee. C. She is experiencing withdrawal when she drinks coffee. D. She will no longer crave coffee because its effects are diminished.
People with major depressive disorder spend a. more time in REM sleep than usual. b. less time in REM sleep than usual
c. more time in both REM and NREM than usual. d. less time in both REM and NREM than usual.
The establishment of a reliable relation between variables is called a:
a. hypothesis. b. postulate. c. prediction. d. law.