Key points are not available for this paper at this time.
Theodore Dix, Diane N. Ruble, Robert J. Zambarano, Mothers' Implicit Theories of Discipline: Child Effects, Parent Effects, and the Attribution Process, Child Development, Vol. 60, No. 6 (Dec., 1989), pp. 1373-1391
Dix et al. (Fri,) studied this question.