Findings of this study strongly question the wisdom of a policy of benign neglect" as a solution to America's racial problems. (DM)

Provides and explains a decision-tree for analyzing data in comparative studies of instructional methods when non-manipulable variables may be operating. (AL)

Remedial measures to assist the deaf or partially deaf child overcome his handicap must be undertaken through cooperative effort between parents and teacher. (CK)

Research supported by the Office of Naval Research under Contract, NOOO 14-67-A-0305-0012.

One in a series of nine articles in a section entitled, "Electronic Computer Program and Accounting Machine Procedures.

The concept of sequential estimation is introduced in multidimensional scaling. The sequential estimation method developed in this paper refers to continually updating estimates of a configuration as new observations are added. Using artificial data, the performance of this sequential method is illustrated. (Author/JKS)

Using constraints with cluster analysis limits the possible number of clusters. This paper deals with clustering problems where grouping is constrained by a symmetric and reflexive relation. Two approaches, along with illustrations, are presented. (Author/JKS)