Learning and human abilities : educational psychology / Herbert J. Klausmeier, William Goodwin. Klausmeier, Herbert J. Goodwin, William Lawrence, 1935- Educational psychology. Aptitude In infancy and childhood. Learning In infancy and childhood. Psychology, Educational. LB1051 .K67 1975 370.15 KLL Includes indexes. Bibliography: p. 525-544. New York : Harper & Row, 1975. 1975. 1975 Text xii, 558 p. : eng