The fact that coos sound the same regardless of whether the young infant can hear suggests that they
a. convey self-generated meanings for adult listeners.
b. develop with maturation of the brain and vocal organs.
c. are a reflection of the parents' recasts and extensions.
d. arise from the infant's mutual exclusivity constraint.
B
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An insecure attachment at age 12 months has been associated with __________.
A. parental use of alcohol and drugs B. low parental stress level C. ample amounts of parental leisure time D. high marital satisfaction
Which type of sounds do older adults who experience hearing loss report they can't hear?
A. low, bass sounds B. high pitched sounds C. medium range sounds D. medium and low pitched sounds
Research has shown that children with friends are:
a. are less confident than children without friends b. have higher self-esteem than children without friends c. are more likely to seek help for psychological problems than children without friends d. have higher test scores than with children without friends
Human body temperature of 98.6 degrees F is an example of a. a set point
b. a drive state. c. homeostasis. d. motivation.