Piaget, IQ and the Nature-Nurture Controversy

摘要

PIAGET’S concepts of experience and subject object interaction are clarified. Species-specific developmental experiences that are common to all people are distinguished from particular learned experiences on which individual differences are based. Four basic assumptions of IQ tests age constancy, scholastic validity, standard environment and performance sufficiency are examined and found alien to Piaget’s theory. In conclusion, heredity is not a concept that can be statistically separated from environment and thus from Piaget’s standpoint the nature-nuture controversy is devoid of me