Discusses research into the external validity of simulation games used in education, i.e., the degree to which the games correspond to the real-life situations they are designed to simulate. An exploratory study examines the validity of a business game and potential problems of validity research are examined. (JJD)

Computer Adaptive Sequential Testing (CAST) is a test delivery model that combines features of the traditional conventional paper-and-pencil testing and item-based computerized adaptive testing (CAT). The basic structure of CAST is a panel composed of multiple testlets adaptively administered to examinees at different stages. Current applications…