Snyder, Helen Irene, 1922- Contemporary educational psychology : some models applied to the school setting / Helen I. Snyder. - New York : John Wiley, [1968]. - xii, 236 p. : ill. ; 23 cm. Includes bibliographical references (p. 220-227). Subjects--Topical Terms: Learning, Psychology of -- Mathematical models. Dewey Class. No.: 370.150184