O'Neill, T., Lunz, M. E., & Thiede, K.. (2000). The impact of receiving the same items on consecutive computer adaptive test administrations. Journal of Applied Measurement, 1, 131-151.

Olea, J., Revuelta, J., Ximenez, M. C., & Abad, F. J.. (2000). Psychometric and psychological effects of review on computerized fixed and adaptive tests. Psicolgia, 21, 157-173.

Olea, J., Ponsoda, V., & Wise, S. L.. (1995). Tests adaptivos y autoadaptados informatizados: Effects en la ansiedad y en la pecision de las estimaciones [SATs and CATS: Effects on enxiety and estimate precision]. In Paper presented at the Fourth Symposium de Metodologia de las Ciencies del Comportamiento. Murcia, Spain.

Olea, J., & Ponsoda, V.. (1996). Test adaptativos informatizados [Computerized adaptive testing]. In Psicometría. Madrid, UNED: Universitas.

Olea, J., Ponsoda, V., & Prieto, G., E.. (1999). Tests informatizados: Fundamentos y aplicaciones (Computerized testing: Fundamentals and applications. Madrid: Pirmide.

Olea, J., Abad, F. J., & Barrada, J. R.. (2010). Tests informatizados y otros nuevos tipos de tests [Computerized and other new types of tests]. Papeles del Psicólogo, 31, 94-107.

Olea, J., & Ponsoda, V.. (2003). Tests adaptativos informatizados (Computerized adaptive testing). Madrid: UNED Ediciones.

Olea Díaz, J., Ponsoda Gil, V., Revuelta Menéndez, J., Hontangas Beltrán, P., & Abad, F. J.. (2001). Requerimientos, aplicaciones e investigación en tests adaptativos informatizados [Requirements, applications, and investigation in computerized adaptive testing]. Apuntes de Psicologia, 19, 11-28.

Olea., J., Ponsoda, V., Revuelta, J., & Belchi, J.. (1996). Propiedades psicometricas du un test adaptivo informatizado do vocabulario ingles [Psychometric properties of a computerized adaptive tests for the measurement of English vocabulary]. Estudios de Psicologica, 55, 61-73.

Olivier, P. (1973). An overview of tailored testing (unpublished manuscript). Florida State University, Program of Educational Evaluation and Research Design.

Olivier, P. (1974). An evaluation of the self-scoring flexilevel testing model. Unpublished dissertation, Florida State University. Dissertation Abstracts International, 35 (7-A), 4257.

Olivier, P. (1974). An evaluation of the self-scoring flexilevel testing model. Florida State University.

Olsen, J. B., Maynes, D. D., Slawson, D., & Ho, K.. (1986). Comparison and equating of paper-administered, computer-administered, and computerized adaptive tests of achievement. In Paper presented at the annual meeting of the American Educational Research Association. San Francisco CA.

Olsen, J. B., & Bunderson, C. V.. (2007). Validity and decision issues in selecting a CAT measurement model. In . D. J. Weiss (Ed.). Proceedings of the 2007 GMAC Conference on Computerized Adaptive Testing.

Olson, A. (2002). Technology solutions for testing. School Administrator, 4, 20-23.

Olson, J. B. (1990). Applying computerized adaptive testing in schools. Measurement and Evaluation in Counseling and Development, 23, 311-38.

Olson, J. B., Maynes, D. D., Slawson, D., & Ho, K.. (1989). Comparisons of paper-administered, computer-administered and computerized adaptive achievement tests. Journal of Educational Computing Research, 5, 311-326.

Oltman, P. K. (1994). Computerized Testing (Research Report 94-22). Princeton NJ: Educational Testing Service.

Orban, J. A. (1981). Ability measurement, test bias reduction, and psychological reactions to testing as a function of computer adaptive testing versus conventional. Unpublished doctoral dissertation, Virginia Polytechnic Institute and State University. Dissertational Abstracts International, 1982, 42,(10-B), 4233.

Orban, J. A. (1982). Ability measurement, test bias reduction, and psychological reactions to testing as a function of computer adaptive testing versus conventional testing. Dissertation Abstracts International, 42, 4233.

Oswald, F. L., Shaw, A., & Farmer, W. L.. (2015). Comparing Simple Scoring With IRT Scoring of Personality Measures: The Navy Computer Adaptive Personality Scales. Applied Psychological Measurement, 39, 144-154. doi:10.1177/0146621614559517

Overton, R. C., Harms, H. J., Taylor, L. R., & Zickar, M. J.. (1997). Adapting to adaptive testing. Personnel Psychology, 50, 171-185.

Owen, R. J. (1975). A Bayesian sequential procedure for quantal response in the context of adaptive mental testing. Journal of the American Statistical Association, 70, 351-356.

Owen, R. J. (1979). Bayesian sequential design and analysis of dichotomous experiments with special reference to mental testing. Princeton NJ: Educational Testing Service.

Owen, R. J. (1969). A Bayesian approach to tailored testing (Research Report 69-92). Princeton NJ: Educational Testing Service.