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- Burtt , Edwin A. 1928 . Principles and Problems of Right Thinking , New York : Harper and Brothers .
- Dashiell , J. R . 1935 . “Experimental Studies of the Influence of Social Situations on the Behavior of Individual Human Adults,” . In Handbook of Social Psychology , Edited by: Murchison , Carl . 1131 Worcester, Mass. : Clark University Press .
- Judson , Lyman S. and Judson , Ellen . 1937 . Modern Group Discussion , 17 – 19 . New York : H. W. Wilson Co. .
- Elliott , Harrison S. 1932 . The Process of Group Thinking , 35 – 41 . New York : Association Press .
- Tead , Ordway . 1935 . The Art of Leadership , New York : Whittlesey House, McGraw‐Hill Book Company .
- Thurstone , L. L. and Chave , E. J. 1929 . The Measurement of Attitude , 6 – 7 . Chicago : The University of Chicago Press .
- This study is a part of a dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at Northwestern University.
Speech Monographs
Volume 8, 1941 - Issue 1