Last Updated：2025/11/28

A surname from French. / Jean Piaget (1896–1980), Swiss developmental psychologist and philosopher.

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Piaget

Source Word

Piaget

IPA(Pronunciation)

A surname from French. / Jean Piaget (1896–1980), Swiss developmental psychologist and philosopher.

Japanese Meaning

フランス語に由来する姓 / 発達心理学者および哲学者であるジャン・ピアジェ（1896～1980）の名前

Piaget's theory of cognitive development continues to influence psychologists worldwide.

フランスの姓に関連する認知発達理論は、世界中の心理学者に影響を与え続けている。

Sense（1）

A surname from French.

Sense（2）

Jean Piaget (1896–1980), Swiss developmental psychologist and philosopher.

Piaget² has conducted many careful studies on the evolu-

tion of games during childhood, and has suggested that moral

behavior consists in a system of rules, and the essence of all

morality is to be sought for in the respect which the individual

acquires for these rules."³ Piaget thus equates morality, or

ethical feeling and conduct, with the individual's attitude

toward and practice of various rules. This perspective provides

a rational basis for the analysis of moral schemes as games,

and of moral behavior as the players' actual conduct.