Key points are not available for this paper at this time.
Aletha Huston-Stein, Lynette Friedrich-Cofer, Elizabeth J. Susman, The Relation of Classroom Structure to Social Behavior, Imaginative Play, and Self-Regulation of Economically Disadvantaged Children, Child Development, Vol. 48, No. 3 (Sep., 1977), pp. 908-916
Huston-Stein et al. (Thu,) studied this question.