Schaie's influential study on intellectual change over time utilizes the ____ research design he invented
a. cross-sectional
b. longitudinal
c. sequential
d. postformal
c
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An infant prefers to listen to the sound of
a. any human voice. b. regularly occurring, predictable tones. c. men's voices more than women's voices. d. the voice of its own mother rather than of a stranger.
The capacity to __________ permits school-age children to combine their separate self-evaluations into an overall sense of self-esteem
A) master increasingly complex social challenges B) view the self in terms of stable dispositions C) understand the perspectives of others D) evaluate the behaviors and intentions of others
Follow-up research on cognitive development indicates that __________ is present as early as 6 weeks
A) object permanence B) deferred imitation C) rational imitation D) analogical problem solving
One study found that the most common sexual activity of streetwalkers is ________.
A. fellatio B. anal intercourse C. cunnilingus D. vaginal intercourse