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 .

See/Hide Conditions of Sale

Following conditions of sale apply:
Terms of Sale

We will ship the book upon receipt of payment.
We charge a media ship rate of $4.50 for the first book plus $2.00 per each additional books. We ship internationally with the US post office. Shipping rates provided upon request based on the country of receipt. Wherever possible, we ship using first class international for $25.00, or the flat rate priority envelope through the US Post which costs $35.00. This is subject to change based on country being shipped to or size of book, so please contact to confirm rate.

We accept Paypal, cashier's check or money order (they must be drawn on US funds). Credit cards accepted: Visa, Mastercard and Discover.

Return policy:
Any book may be returned within 30 days of receipt for refund of book price. Buyer responsible for return shipping. For books misdescribed, or for wrong books sent, or any other errors on our part, we will refund book price plus return cost of shipping.