At about what age does babbling start?
a. Birth
b. 6 months
c. 10 months
d. 14 months
Answer: b. 6 months
Psychology
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__________ is a field in which scientists study genetic and environmental contributions to psychological and physical traits.
A. Twin studies B. Behavior genetics C. Adoption design D. Social work
Psychology
In a series of classic experiments, Stanley Schachter found that when we are afraid of receiving strong electric shocks we . . .
a. Want to escape from the laboratory b. Want to be alone c. Want to be with other people d. Want to attack the experimenter
Psychology
The chief characteristic of hypnosis is
a. heightened arousal. b. increased suggestibility. c. enhanced creativity. d. increased clairvoyance.
Psychology
Sleep apnea affects ________ million Americans
a. 1 to 2 b. 30 to 32 c. 10 to 12 d. 20 to 22
Psychology