Children reach developmental milestones in how they play, move, talk, and act. The predicted ages for the milestones can be helpful in planning for parents. The motor milestone for babies being able ...

Piaget’s stages of development include sensorimotor, preoperational, concrete operational, and formal operational. While there is some criticism of them, they may help characterize child development.

The English language has several terms for children between the ages of birth and 4 years, including "newborn," "infant," "baby," and "toddler." These words are often used interchangeably, and they ...