1. Assessment Systems Corporation. (1988). User's manual for the MicroCAT testing system, version 3. St. Paul, MN: Author.
2. Keppel, G. (1991). Design and analysis: A researcher's handbook (3rd ed.). Englewood Cliffs, NJ: Prentice-Hall.
3. The Development and Validation of a Revised Version of the Mathematics Anxiety Rating Scale
4. Self-adapted testing: A performance-improving variant of computerized adaptive testing.
5. Rocklin, T. R. & O'Donnell, A. M. (1991, April). An empirical compar&on of selfadapted and maximum information item selection. Paper presented at the annual meeting of the American Educational Research Association, Chicago.