Which statement about the perceptual narrowing effect is true?
A) Babies are not sensitive to speech sounds, but they become so over time.
B) Human babies cannot discriminate individual faces of humans or monkeys.
C) Six-month-olds can detect rhythmic changes in both Western and non-Western melodies.
D) After exposure to Western music, 12-month-olds become aware of changes in non-Western rhythms
Answer: C
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A correlation of -.90 between two sets of test scores indicates that people who earned high scores on the first test generally earned __________ scores on the second
a. high c. low b. average d. reliable
A meta-analysis has shown that children with divorced parents are more likely than children of continuously-married parents to:
A) have low academic achievement. B) have low self-esteem. C) have poor social relationships. D) all of the above
The hormone ______ reduces the effects of oxytocin
a. estrogen c. progesterone b. testosterone d. thyroxin
Understanding a person’s use of substances like alcohol and drugs is related to:
a. genetic makeup. b. family history. c. peer behavior. d. all of the above.