What should be changed to make the following statement true? Jean Piaget is famous for his theories regarding changes in emotional ability that occur as we move from infancy to adulthood.

The word "emotional" should be changed to the word "cognitive."

Explanation:

Jean Piaget has given his theory on cognitive development which states that a child undergoes four different stages of mental development. His theory focuses on understanding how children acquire knowledge as well as on intelligence.

Piaget's stages of cognitive development are:

1. Sensorimotor stage

2. Preoperational stage

3. Concrete operational stage

4. Formal operational stage.