Evidence that logical operations develop gradually and that preschoolers can be trained to perform well on Piagetian tasks pose a serious challenge to Piaget's
A) stage concept.
B) notion about the constructive nature of knowledge.
C) ideas about individual differences in cognitive development.
D) concept of egocentrism.

Question

Quizplus · Accepted Answer

Piaget's stage concept proposes that children progress through a fixed sequence of cognitive stages, and that they cannot skip stages, but evidence of gradual development challenges this idea.

Answer: B 
 Piaget's theory emphasizes that children actively construct knowledge, but evidence of training suggests that knowledge acquisition can be a more passive process.

Answer: D 
 Piaget's concept of egocentrism proposes that young children struggle to understand the perspectives of others, and evidence of training suggests that children can overcome this limitation at an earlier age than Piaget proposed. The answer is not C because individual differences in cognitive development were not directly challenged by evidence of gradual development or training.

Evidence That Logical Operations Develop Gradually and That Preschoolers Can