James reached for his rattle toy which he likes to shake and then put it in his mouth. Which substage of the Sensorimotor of Cognitive Development applies?

This is where the child follows the principle “If nothing is added or taken away, then the amount of something stays the same.”

Erika is playing with Legos, and she arranges the bricks by size or length, from largest to smallest. Erika utilized what kind of concrete operations?

 You may have seen a child playing pretend and engaging with a doll, teddy bear, or another character as if it were alive and spoke back to them. What sort of concrete operations was the child using?

Albert Einstein called Piaget’s discovery, “so simple only an amateur could have thought of it.”

Sofia is now able to understand logic. She saw her older sister eating chips and she shared her some the last time. So she concluded that her sister will also share some more chips with her this time. Sophia is now in the Formal Operational Stage.

In concrete operational stage, a person is now able to reason inductively. While in formal operational stage, a person understands abstract and use deductive reasoning.

Assimilation is the process of taking in new information into our already existing schemas. New schemas may also be developed during this process.

Piaget believed that all children try to balance between assimilation and accommodation using a mechanism he called equilibration. Accommodation helps explain how children can move from one stage to the next.