Altering egocentrism and the effects on young children's ability to conserve.

Unrestricted.2016-11-142011-02-182016-11-141974-12http://hdl.handle.net/2346/18513Not availableapplication/pdfengPiaget Jean -- 1896-1980Cognition in childrenConservation (Psychology)Altering egocentrism and the effects on young children's ability to conserve.Dissertation