Peter Jackson is Chief Editor of the Yearbook Unit of the UN Department of Public Information, which annually publishes the Yearbook of the United Nations, the most authoritative reference book on the ...

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.

Rufus Tony Spann, Ph.D., L.C.P.C., L.P.C. Mental Health / Holistic Health Dr. Rufus Tony Spann is a nationally certified school psychologist, licensed professional counselor, yoga teacher and reiki ...

The process to formulate the 2030 Agenda is described as one of the most inclusive in the history of the United Nations. Indigenous peoples were one of the nine ‘major groups’ that were involved in ...

Erik Erikson was a German psychologist who theorized that there's a specific psychological struggle that takes place through the eight stages of a person's life. These struggles, he believed, ...

That’s a question parents, pediatricians, educators, and caregivers ask over and over again as children grow and change. To help answer this important question, child development experts have created ...

Piaget’s stages of development describe how children learn as they grow up. There are four distinct stages: sensorimotor, preoperational, concrete operational, and formal operational. Jean Piaget was ...