According to Piaget, what is most beneficial for a child's knowledge building?

Activities that stimulate thinking are essential for a child's knowledge building according to Piaget’s theory of cognitive development. Piaget emphasized the importance of active learning through exploration and interaction with the environment. Engaging in stimulating activities encourages children to think critically, solve problems, and construct their understanding of the world. This aligns with Piaget’s belief that children learn best when they are actively involved in the learning process rather than passively receiving information.

In contrast, options like physical development without social interaction do not foster cognitive growth as effectively, since social interaction and collaboration are key components of learning. Similarly, constant supervision and control by adults can limit a child's opportunities for exploration and independent thinking, which are vital for cognitive development. Lastly, learning facts without understanding contradicts the foundational principles of Piaget's theory, which stresses the importance of comprehension and meaningful engagement in learning rather than rote memorization.