Coöperation and competition
Subtitle: an experimental study in motivation
By: by Julius Bernard Maller.
Contributors: Motivation, An experimental study in.
Publisher: Teachers college, Columbia university
Published: 1929
Place of publication: [New York city
Language: eng
Number of pages: 176
Subjects: Educational psychology; Child study; Character tests
Notes: Bibliography: p. 165-172.
Published also as thesis (PH. D.) Columbia university.