Categorization Behavior of Lower- and Middle-Class Negro Preschool Children: Differences in Dealing with Representation of Familiar Objects

Irving E. Sigel, Larry M. Anderson, Howard Shapiro, Categorization Behavior of Lower- and Middle-Class Negro Preschool Children: Differences in Dealing with Representation of Familiar Objects, The Journal of Negro Education, Vol. 35, No. 3, Needed: A Re-Examination of Plans for Disadvantaged Negro Youth (Summer, 1966), pp. 218-229