1. Adams, R. J., Wilson, M., & Wang, W. (1997). The multidimensional random coefficients multinomial logit model. Applied Psychological Measurement, 21(1), 1–23.
2. Adams, R. J., Wilson, M., & Wu, M. (1997). Multilevel item response models: An approach to errors in variables regression. Journal of Educational and Behavioral Statistics, 22(1), 47–76.
3. American Educational Research Association (AERA), American Psychological Association (APA), and National Council for Measurement in Education (NCME). (1999). Standards for psychological and educational tests. Washington D.C.: AERA, APA, and NCME.
4. Baker, F. B., & Kim, S.-H. (2004). Item response theory: Parameter estimation techniques (2nd ed.). New York: Dekker.
5. Banta, T. W., Lund, J. P., Black, K. E., & Oblander, F. W. (1996). Assessment in practice: Putting