Optimal testing with easy or difficult items in computerized adaptive testing. Applied Psychological Measurement, 30, 379-393.
. (2006). La Validez desde una óptica psicométrica [Validity from a psychometric perspective]. Acta Comportamentalia, 13, 9-20.
. (2005). Emergence of item response modeling in instrument development and data analysis. Medical Care, 38, II60-II65.
. (2000). A comparative study of item exposure control methods in computerized adaptive testing. Journal of Educational Measurement, 40, 71-103.
. (2003). The work ahead: A psychometric infrastructure for computerized adaptive tests. In , Computer-based tests: Building the foundation for future assessment. Mahwah, N.J. USA: Lawrence Erlbaum Associates, Inc.
. (2002). Generating abstract reasoning items with cognitive theory. In , Item generation for test development (pp. 219-250). Mahwah, N.J. USA: Lawrence Erlbaum Associates, Inc.
. (2002). Applications of item response theory to improve health outcomes assessment: Developing item banks, linking instruments, and computer-adaptive testing. In , Outcomes assessment in cancer (pp. 445-464). Cambridge, UK: Cambridge University Press.
. (2005).