Biblio
. (2012). The Rasch rating model and the disordered threshold controversy. Educational and Psychological Measurement, 72, 547–573.
(1.53 MB). (2012). On the Relationship Between Differential Item Functioning and Item Difficulty An Issue of Methods? Item Response Theory Approach to Differential Item Functioning. Educational and Psychological Measurement, 72, 5–36.
(334.82 KB). (2012). Responding To A Challenge That Learning Progressions Pose To Measurement Practice. In Learning progressions in science (pp. 317–343). Springer.
(2.43 MB). (2011). Road maps for learning: A guide to the navigation of learning progressions. Measurement: Interdisciplinary Research & Perspective, 9, 71–123.
(738.53 KB). (2011). The role of mathematical models in measurement: A perspective from psychometrics. Universitätsbibliothek Ilmenau.
(210.75 KB) (82.7 KB). (2008). Random parameter structure and the testlet model: extension of the Rasch testlet model. Journal of applied measurement, 10, 394–407.
(554.67 KB). (2003, June). Research on learning: Implications for assessment in higher education. Presented at the American Association for Higher Education Assessment Conference, Seattle, WA.
. (1999, October). Reinventing Online Education From a Social Context. Presented at the "Online Education in California Community Colleges: Faculty Perspectives" Conference at College of San Mateo.