Why does Erikson say that a child's early sense of identity comes partly "unglued" during adolescence?

The best predictor that infants will develop high levels of intellectual aptitude is their

A) readiness to crawl at an early age B) capacity for imitating adult facial expressions. C) tendency to quickly shift their gaze from a familiar to a novel picture. D) ability to discriminate their mother's voice from that of a female stranger.

According to the ________ perspective, family members participate in a variety of subunits, such as relationships between adolescents and their fathers, adolescents and their mothers, and adolescents and their individual siblings

Fill in the blank with the appropriate word.