Six-month-old infants
a. cannot distinguish one object from two objects.
b. use the one-to-one principle.
c. can distinguish two objects from three objects.
d. do not seem to be sensitive to quantity as a characteristic of stimuli.
c
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Amy, a 16-year-old girl, is shy around boys though she would really like to be more outgoing. This reflects:
A. the drive toward positive self-esteem. B. the discrepancy between her ideal and actual selves. C. a false sense of self-concept. D. All of the above.
In cultures where parent–child cosleeping is widespread,
A) the rate of infant mortality from sudden infant death syndrome is high. B) parents and infants usually sleep on soft mattresses. C) infants often sleep in a cradle or hammock next to the parents' bed. D) infants tend to lie on their stomach or side facing away from the mother.