Four-Year-Old Martha Uses Shorter, Simpler Expressions When Interacting with Her

Multiple Choice

Four-year-old Martha uses shorter, simpler expressions when interacting with her 2-year-old brother. This example suggests that Piaget may have

A) overestimated preschoolers' animistic thinking.
B) overestimated preschoolers' egocentrism.
C) underestimated preschoolers' animistic thinking.
D) underestimated preschoolers' egocentrism.