Discusses and compares advantages and disadvantages of large and small computer-based instructional systems. Predicted and actual costs in two systems--PLATO, which uses a mainframe system, and VITAL, a microcomputer-based system--are analyzed, and cost comparisons are made based on class size. (LRW)

A research project that developed methods for describing, organizing, analyzing, and predicting state education policy activity had as its major focus the way that values affect that policy. Data were drawn from six states: Wisconsin, Illinois, California, Arizona, West Virginia, and Pennsylvania. They were chosen to represent ranges of political…