Jean Piaget
The Swiss child psychologist Jean Piaget.
Developmental psychology
discipline
Also known as: human development, life-span psychology
Developmental psychology is the branch of psychology concerned with the changes in cognitive, motivational, psychophysiological, and social functioning that occur throughout human life. Investigators have identified and analyzed with increasing precision the diverse perceptual, cognitive, and numerical abilities of infants and traced their developmental course, while others have focused on life-span development and mental and behavioral changes in the aging process. Developmental research provides clear evidence that humans do not enter the world with a...