Testing a hypothesis is the third step in a scientific investigation. This step is derived from which goal of psychology?
a) describing
b) explaining
c) predicting
d) changing
ANS: b
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Fran's 4-year-old son awoke at 9:00 p.m., crying and in a panic, but did not remember having a dream. It is likely that Fran's son experienced:
A) sleep paralysis. B) a night terror. C) narcolepsy. D) sleep apnea.
What is the last phase of the sexual response cycle?
a. plateau phase c. excitement phase b. orgasmic phase d. resolution phase
Expertise, attractiveness, and trustworthiness all relate to which factor of persuasion?
a) channel b) message c) source d) audience
Why has birth for humans become increasingly difficult?
a. Because humans have such extraordinarily large brains. b. Because humans are more likely to have genetic difficulties. c. Because humans are the only species to have single births. d. Because humans are so immature at the time of birth.