why-is-g-stanley-hall-considered-a-foundational-figure-in-developmental-psycholo

Question

Why is G. Stanley Hall considered a foundational figure in developmental psychology?

Accepted Answer

He was the first to argue that adolescence is a unique stage of development.

Answer

He was the first president of the American Psychological Association.

Answer

He created a systematic database of developmental milestones.

Answer

He developed the theory of cognitive development.