Certainty and necessity in the understanding of Piagetian concepts.

• 1 January 1986
• journal article
• Published by American Psychological Association (APA) in Developmental Psychology
• Vol. 22  (1) , 3-18
• https://doi.org/10.1037//0012-1649.22.1.3

Abstract

Keywords

• THEORY
• BELIEFS
• CONSERVATION
• YOUNG ADULTS
• COGNITIVE PROCESSES
• SHELF LIFE
• COGNITION
• LOGIC