A sophisticated modeling technique which predicts pollutant movement accurately and may aid in the design of new freeways is reported. EXPLOR (Examination of Pollution Levels of Roadways) was developed specifically to predict pollutant concentrations in a milewide corridor traversed by a roadway. (BL)

An interactive assessment system which was built around an existing computer controlled testing facility in the Department of Psychology at the University of Washington is described. The Extensible Multiprograming System for experimental psychology (EMPP) is problem oriented software developed to simplify the programing of psychological…

Criterion-referenced testing (CRT) is defined as a method of ascertaining an individual's status with respect to some performance standard. Computer-assisted testing (CAT) is a method of constructing tests using a variety of computer techniques such as a single test computer printouts, stored item banks, teacher specified criteria, machine…