1. Angoff, W. H. & Huddleston, E. M. (1968). The multi-level experiment: A study of a twolevel test system for the College Board Scholastic Aptitude Test (Statistical Rep. No. 68-21). Princeton, NJ: Educational Testing Service.
2. Assessment Systems Corporation. (1984). User's manual for the MicroCAT testing system. St. Paul, M N : Author.
3. Betz, N. E. & Weiss, D . J. (1976). Psychological effects of immediate knowledge of results and adaptive ability testing (Research Rep. No. 76-4). Minneapolis: University of Minnesota, Department of Psychology, Psychometric Methods Program.
4. TECHNICAL GUIDELINES FOR ASSESSING COMPUTERIZED ADAPTIVE TESTS
5. Hansen, D. N. (1969). An investigation of computer-based science testing. In R. C. Atkinson & H. A . Wilson (Eds.), Computer-assisted instruction: A book of readings (pp. 209-226). New York: Academic.