The new edition of textbook that presents the broad theoretical outlines of a variety of classical and current learning theories. The importance of mathematical and biological concepts are stressed, but not detailed. Instead, Hill (Northwestern U.) concentrates on the issues of why various learning theories emphasize various concepts. After introductory chapters explore basics concepts, separate treatments are provided connectionist theories, contiguity interpretations, Hull's formal theory building, behaviorism, cognitive theory, and more recent interpretations of learning. c. Book News Inc.