REFERENCES
- Barton, M., & Lord, F. (1981). An upper asymptote for the three-parameter logistic item-response model (Research Report No. 81-20). Princeton, NJ: Educational Testing Service.
- Butcher, J.N., Williams, C.L., Graham, J.R., Archer, R., Tellegen, A., Ben-Porath, Y.S., & Kaemmer, B. (1992). MMPI-A manual for administration, scoring, and interpretation. Minneapolis: University of Minnesota Press.
- Chalmers, R.P. (2012). mirt: A Multidimensional Item Response Theory Package for the R Environment. Journal of Statistical Software, 48(6), 1–29.
- Reise, S., & Waller, N. (2003). How many IRT parameters does it take to model psychopathology items? Psychological Methods, 8, 164–184.
- Waller, N.G., & Reise, S.P. (2010). Measuring psychopathology with non-standard IRT models: Fitting the four-parameter model to the MMPI. In S. Embretson & J.S. Roberts (Eds.), Measuring psychological constructs: Advances in model-based approaches (pp. 147–173). Washington, DC: American Psychological Association.