This report describes a higher education enrollment projection model developed for the state of Washington. The model operates on a student flow concept quantifying students through the flows of entrances, retention, transfers, and exits. The model is based on the assumption that the manner in which students now move through the State's higher…

Three models have been used with a microcomputer to help hearing impaired students in high verbal content courses such as "Energy and the Environment." The models illustrate the complexity of problem solving and moral issues. (CL)

The reliability and validity of a tailored testing procedure based on the simple logistic model was determined for an achievement test in statistics and measurement. The test was administered on a CRT terminal to students from graduate and undergraduate measurement courses. Equivalent form reliability over a one-week interval was found to be 0.595…

Forming a sequence covering the various aspects of the simplex model, four articles are presented here under the following titles: "A Simplex Model for Analyzing Academic Growth", "Analyzing Ratings With Correlated Intrajudge Measurement Errors", "The Correlation of States With Gain", and "The Reliability of…