Why does sleep efficiency drop in old age?
a) Stage 4 sleep becomes more prominent in the elderly.
b) Stage 1 sleep is reduced or nonexistent in the elderly.
c) Elderly people spend more time in the light stages of sleep.
d) Elderly people have lower levels of sleep neurotransmitters.
C
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If the sound of a clap occurs just before a puff of air is delivered to the eye, the person will, after several repetitions, learn to blink to the sound of the clap. Blinking to the sound of the clap would be considered a
a. neutral stimulus. b. conditioned response. c. spontaneous response. d. conditioned stimulus.
What is cross-validation?
a. A repeat of the validation study sometimes using another sample of test takers. b. A validation study whose participants represent all minority groups c. Carrying out the validation in locations throughout a state or country d. An alternative form of validation that can be accomplished using a statistical formula
When Nand feels angry, he goes home and listens to heavy metal music. According to research, if Nand is typical of adolescent heavy metal fans, which of the following may we predict is the most likely effect? After listening to the music for a while, Nand
a. calms down. b. feels angrier. c. writes a song. d. withdraws.
Harshly treated children react with resentment and a chronic sense of being personally threatened, which prompts
A) timid, but more social, behavior. B) a strong internalization of moral rules. C) a focus on the self's distress rather than a sympathetic orientation to others' needs. D) increased genetic risk for aggression.