References
- Bayroff , A. G. 1936 . The experimental social behavior of animals: I. The effect of early isolation of white rats on their later reactions to other white rats as measured by two periods of free choices . J. Comp. Psychol , 21 : 67 – 81 .
- Bersh , P. J. , Schoenfeld , W. N. and Notterman , J. M. The influence of drive level upon the effectiveness of a secondary reinforcer (In manuscript.)
- Dollard , J. and Miller , N. E. 1950 . Personality and Psychotherapy , 488 New York : McGraw-Hill .
- Frick , F. C. , Schoenfeld , W. N. and Keller , F. S. 1948 . Apparatus designed for introductory psychology at Columbia College . Amer. J. Psychol , 61 : 409 – 414 .
- Lindquist , E. F. 1940 . Statistical Analysis in Educational Research , 266 Boston : Houghton Mifflin .
- Locke , N. M. 1935 . A preliminary study of a social drive in the white rat . J. of Psychol , 1 : 255 – 260 .
- Mowrer , O. H. 1940 . An experimental analogue of “regression” with incidental observations on “reaction-formation” . J. Abn. & Soc. Psychol , 35 : 56 – 87 .
- Munn , N. L. 1950 . Handbook of Psychological Research on the Rat , 598 Boston : Houghton Mifflin .
- Scott , J. P. 1945 . Social behavior, organization, and leadership in a small flock of domestic sheep . Comp. Psychol. Monog , 18 ( 4 ) : 29