DOLL, E. A.Vineland Social Maturity Scale. Vineland, N.J.: The Training School of Vineland, 1936.
3.
Interim Hayes-Binet Intelligence Tests for the Blind. Watertown, Mass.: Perkins Institute for the Blind, 1943.
4.
MARSHALL, HELEN R.An Evaluation of Sociometric-Social Behavior Research with Preschool Children, Child Development, Vol. 28 (1957), pp. 131-137.
5.
McCANDLES, BOYD R., and MARSHALL, HELEN R.A Picture Sociometric Technique for Preschool Children and Its Relation to Teacher Judgments of Friendship, Child Development, Vol. 28, No. 2 (June, 1957).
6.
MORENO, J. L.Who Shall Survive?New York: Beacon House, 1953.
7.
NORTHWAY, M. L.Social Relationships among Preschool Children: Abstracts and Interpretations of Three Studies, Sociometry, Vol. 6 (1943), pp. 429-433.
8.
WRIGHT, H. F., and BARKER, R. G.Methods in Psychological Ecology. Lawrence: University of Kansas, Department of Psychology, 1950.