Piagets

Piagets is a surname. The term can refer to people bearing the surname Piaget; the most notable person is Jean Piaget, a Swiss psychologist who developed theories of cognitive development and genetic epistemology.

Jean Piaget's theory described how children actively construct knowledge and pass through distinct stages of development: sensorimotor, preoperational, concrete operational, and formal operational. He introduced key concepts such as schemes, assimilation, and accommodation, and he emphasized the role of maturation and environment in learning.

Piaget S.A. is a Swiss luxury watchmaker founded in 1874 by Georges-Édouard Piaget. The company is known for its ultra-thin movements and high-end jewelry watches and is part of the Richemont group.

The surname Piaget is French-speaking Swiss in origin; other individuals with the surname have contributed to various fields, though none attained the same level of international recognition as Jean Piaget.

In common usage, the plural form Piagets is rare; references typically use Piaget for each person, with the surname written in possessive form as Piaget's or in lists of people named Piaget.