Piaget underestimated children's abilities because most children possess abilities at an early age, cognitive development across domains is typically not uniform; rarely does a child think in typical stage ways about all topics (e.g., math, science, history) (Schunk, 1996, p.238). Piaget's theory only provides a detailed overview of development, but does not explain it, and its stages can be considered a continuous process because there is a lot of overlap in development. Finally, Piaget pays “insufficient attention to social and cultural influences on development (Berk, 2007,