Kohnstamm, Geldolph Adriaan - Teaching Children to Solve a Piagetian Problem of Class Inclusion

Netherlands, Mouton and Co. Wraps. no date, 1967. Printed wraps. 155 pp. A technical work tackling Jean Piaget's original problem posed to children around 1940, in which they were asked to establish classes of beads in an experiments, establishing some concepts in child psychology and behavior. GOOD condition. General toning to the covers. Some foxing, spotting and minor staining. Minor soiling. Minor creasing along the extremities. Minor scuffing. Good .

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