1. Piagetian - Noun
2. Piagetian - Adjective
of or relating to or like or in the manner of Jean Piaget
Source: WordNetEarly literacy research conducted by Piagetian researcher, Emilia Ferreiro and published in her landmark book, Literacy Before Schooling, has been replicated by University of Alabama professor, Maryann Manning. Source: Internet
Most of the research on Piagetian theory was carried out by American educational psychologists. Source: Internet