English edit

Etymology edit

Piaget +‎ -ian

Adjective edit

Piagetian (comparative more Piagetian, superlative most Piagetian)

  1. Of or relating to Jean Piaget (1896–1980), Swiss developmental psychologist and philosopher known for his cognitive studies with children.
    • 2017, Robert Sapolsky, chapter 13, in Behave, Penguin, →ISBN:
      The Kohlbergian emergence of increasingly complex stages of moral development is built on the Piagetian emergence of increasingly complex logical operations.

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Noun edit

Piagetian (plural Piagetians)

  1. A proponent of Piaget's theories, esp. on children's cognitive development.

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