ATKINSON, J. (1957). Motivational determinants of risk-taking behavior . Psych. Rev.64, 359-372 .
2.
BERKOWITZ, L. & DANIELS, LOUISE (1963). Liking and response to a dependency relationship . Hum. Relat.16, 141-148 .
3.
DUSTIN, D. (1963). Member coping with group success and failure. Unpublished doctoral dissertation, Univ. of Mich.
4.
ENGLISH, H. & ENGLISH, AvA. (1958). Dictionary of psychological and psychoanalytical terms. New York: Longmans, Green .
5.
FRENCH, J. R. P., JR. & RAVEN, B. (1959). The bases of social power. In D. Cart-wright (Ed.), Studies in social power. Ann Arbor, Mi'ch.: Institute for Social Research . Pp. 150-167.
6.
LEWIN, K. , FESTINGER, L. , DEMBO, TAMARA & SEARS, PAULINE . (1944). Level of aspiration. In J. McV. Hunt (Ed.), Personality and behavior disorders, Vol. 1. New York: Ronald . Pp. 333-378.
7.
PEPITONE, EMMY. (1952). Responsibility to the group and its effects on the performance of members. Unpublished doctoral dissertation, Univ. of Mich.
8.
ROTTER, J. (1942). Level of aspiration as a method of studying personality . J. exp. Psychol.31, 410-422 .
9.
THOMAS, E. J. (1957). Effects of facilitative interdependence on group functioning . Hum. Relat.10, 347-366 .
10.
ZANDER, A. & CURTIS, T. (1962). Effects of social power on aspiration setting and striving . J. abnorm. soc. Psychol.64, 63-74 .
11.
ZANDER, A. & MEDOW, H. (1963). Individual and group levels of aspiration . Hum. Relat.16, 89-105 .