1. Bock, R. D., Gibbons, R., & Muraki, E. (1988). Full-information item factor analysis. Applied Psychological Measurement, 12, 261–280.
2. Bock, R. D., Gibbons, R., Schilling, S. G., Muraki, E., Wilson, D., & Wood, R. (2000). TESTFACT 3.0: Test scoring, item statistics, and full-information item factor analysis. Chicago, Il: Scientific Software.
3. Boomsma, A. (1993). On the robustness of LISREL (maximum likelihood estimation) against small sample size and non-normality. Unpublished doctoral dissertation, University of Groningen, The Netherlands.
4. Camilli, G. (2006). Test fairness. In R. L. Brennan (Ed.), Educational measurement (4th ed., pp. 221–255). Westport, CT: Praeger Publishers.
5. Camilli, G., Prowker, A., Dossey, J. A., Lindquist, M. M., Chiu, T.-W., Vargas, S., et al. (2008). Summarizing item difficulty variation with parcel scores. Journal of Educational Measurement, 45, 363–389.