Pat is normally very restless and fidgety; Shelley is usually quiet and easygoing. The two children most clearly differ in

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Quizplus · Accepted Answer

The difference between Pat and Shelley seems to be related to their temperament, which refers to individual differences in emotional, motor, and attentional reactivity to environmental stimuli. Maturation (A) refers to the unfolding of genetically programmed processes that lead to growth and development of the body and brain. Egocentrism (B) refers to the tendency to view the world only from one's own perspective, which is a cognitive rather than a temperamental trait. Object permanence (D) is the understanding that objects continue to exist even when they are not visible or perceived, which is a developmental milestone in infancy but not a relevant factor in differentiating Pat and Shelley.

Pat Is Normally Very Restless and Fidgety; Shelley Is Usually