Édouard
Claparède

Rousseau Institute


Jean
Piaget

University of Geneva


Jean
Piaget

University of Geneva


Bärbel
Inhelder

University of Geneva


Annette
Karmiloff-Smith

Birkbeck College


Dagmara
Dimitriou

UCL Institute of Education

, Miguel
Lois

UCL Institute of Education
(Options)

, LoisX