Although Hannah understands the principle of conservation and basic mathematical operations, she has difficulty understanding hypothetical questions and attempts to solve problems unsystematically, by trial and error. According to Piaget, Hannah has not yet attained the cognitive skills characteristic of the _____ stage.

Question

Quizplus · Accepted Answer

Hannah's difficulty with hypothetical questions and reliance on trial and error suggest she has not reached the formal operational stage, where abstract and systematic thinking develop.

Although Hannah Understands the Principle of Conservation and Basic Mathematical