The nature of reinforcement
Subtitle: a symposium of the Learning Research and Development Center, University of Pittsburgh.
By: Edited by Robert Glaser. 
Contributors: Glaser, Robert, 1921- ed.
Publisher: Academic Press
Published: 1971
Place of publication: New York
Language: eng
Number of pages: 379
Subjects: Motivation in education; Reinforcement (Psychology)
Notes: Includes bibliographies.