Early childhood development produces long-term results

Erik Erikson defines stages according to the emotional development of the child, according to his theory, early childhood is divided into two stages - 1) will (independence vs. shame and doubt - 2-4 years) 2) purpose (initiative vs. guilt - 4) -5 years).

Whereas, Piaget Life Span defines according to cognitive development in 3 stages of development - pre-operational, concrete operation and formal operation.