In last Friday’s column, I shared the first three stages of personality development by Erick Erickson (1902-1994.) I believe that parents can use his psychosocial stages of development as a guide in ...

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.

Erik Erikson developed a psychosocial stage theory that illuminates how people progress through certain stages during their lifespans. The stages in this theory of development may be negotiated poorly ...

We human beings have a keen interest in observing and learning about one another—an interest that psychologists now trace back to our evolutionary roots. Among our ancestors, those who paid attention ...