The most pressing problems of research on minority groups have not received adequate attention. One such problem is that of identification and understanding of the mechanisms of learning facility and learning dysfunction and the implications of both for the optimum development of heterogeneous populations. Secondly, in contrast to the body of…

This paper reviews the wide variety of approaches and issues in research relating to the education of the disadvantaged in the decade of the sixties. Relevant works are designated in two categories: (1) the study of population characteristics and, (2) the description and evaluation of programs and practices. Studies within the former area are…