Describes a visual device, borrowed from matrix algebra, which helps students integrate theory, methods, and statistics in sociological research. Data are organized in a rectangular structure, with the columns of variable names representing theory, the rows representing observations whose quality is related to methodological concerns and the need…

New optical information storage technologies such as the interactive video disc make possible change in how students will learn in classrooms of the future. Similar historical developments whose influences were wide ranging are discussed. Ongoing studies of interactive video applications at Massachusetts Institute of Technology are described. (JL)