The presuppositions that favor firsthand experience over secondhand information, as pertaining to learning and education, are questioned. It is noted that, when education and firsthand experience are described as if equivalent, a presumption is made that a commonsense theory of knowledge and mind is valid. Research on the social psychology of…

The measurability of sensorimotor development in 60 severely retarded, institutionalized adults was studied, using the Piagetian concept of object permanence in a delayed recall paradigm that involved special apparatus. Results suggested, among other things, that severely retarded, institutionalized adults learn most efficiently when trained with…

IN ORDER TO INVESTIGATE THE RELATIONSHIP BETWEEN SENSORIMOTOR EXPERIENCE AND THE FORMATION OF CONCEPTS IN CHILDHOOD, 2 GROUPS OF CHILDREN--1 MOTORICALLY NORMAL, THE OTHER COMPOSED OF CEREBRAL PALSIED CHILDREN--WERE COMPARED FOR ACQUISITION OF SIMPLE ACTION AND OBJECT CONCEPTS. THREE HYPOTHESES WERE TESTED. IT WAS PREDICTED (1) THAT CEREBRAL…