[Monographs, research reports, and hard-to-find publications]


You can find a full list of my papers by clicking the following icon  cv

[below are links to my hard to reach papers; each has an option to download a copy]

[For a PDF copy click Remarks on Computational Psychometrics - 
Models, Methods, Test Validity, & Consequences
or right-click and save a copy
of the PDF]
  • Zumbo, B. D. (2009). Validity as Contextualized and Pragmatic Explanation, and Its Implications for Validation Practice. In Robert W. Lissitz (Ed.) The Concept of Validity: Revisions, New Directions and Applications, (pp. 65-82). IAP – Information Age Publishing, Inc.: Charlotte, NC. 

[For a PDF copy click Zumbo (2009) or right-click and save a copy of the PDF]


  • Zumbo, B.D. (2008).  Statistical Methods for Investigating Item Bias in Self-Report Measures, [The University of Florence Lectures on Differential Item Functioning].  Universita degli Studi di Firenze, Florence, Italy.   
[For a PDF copy click Zumbo_Univ_Firenze or right-click and save a copy of the PDF]

  • Stone, J., & Zumbo, B.D. (2016). Validity as a Pragmatist Project: A Global Concern with Local Application. In Vahid Aryadoust, and Janna Fox (Eds.), Trends in Language Assessment Research and Practice (pp. 555-573). Newcastle: Cambridge Scholars Publishing.

[For a copy go to the following website click Stone_Zumbo_2016 for PDF; or right-click and save a copy of the PDF]

  • Zimmerman, D. W., & Zumbo, B. D. (2001). The Geometry of Probability, Statistics, and Test Theory.

    International Journal of Testing, 1, 283-303.

[For a reprint please click Zimmerman_Zumbo_2001].

  • Zimmerman, D. W., Williams, R. H., Zumbo, B. D., & Ross, D. (2005). Louis Guttman’s Contributions to Classical Test Theory.  International Journal of Testing, 5, 81-95.

[For a reprint please click Louis Guttman Contributions].

  • Zumbo, B. D., & Forer, B. (2011). Testing and Measurement from a Multilevel View: Psychometrics and Validation. In James A. Bovaird, Kurt F. Geisinger, & Chad W. Buckendahl (Editors).  High Stakes Testing in Education – Science and Practice in K-12 Settings, (pp.177-190).  American Psychological Association Press, Washington, D.C..

For a reprint, PDF, please click Zumbo_Forer_2011.

  • Zumbo, B. D., & Rupp, A. A. (2004). Responsible Modeling of Measurement Data For Appropriate Inferences: Important Advances in Reliability and Validity Theory. In David Kaplan (Ed.), The SAGE Handbook of Quantitative Methodology for the Social Sciences (pp. 73-92). Thousand Oak s, CA: Sage Press.

[For a reprint, PDF, please click Zumbo Rupp 2004]

  • Rupp, A. A., & Zumbo, B. D. (2003). Which Model is Best? Robustness Properties to Justify Model Choice among Unidimensional IRT Models under Item Parameter Drift. Alberta Journal of Educational Research, 49, 264-276.

[For a reprint, PDF, click Rupp Zumbo 2003 AJER]

  • Slocum, S. L., Gelin, M. N., & Zumbo, B. D. (2004). Statistical and Graphical Modeling to Investigate Differential Item Functioning for Rating Scale and Likert Item Formats. Vancouver: Edgeworth Laboratory, University of British Columbia.

For a reprint, PDF, click Slocum_Gelin_Zumbo
  • Zumbo’s A Handbook on the Theory and Methods of Differential Item Functioning (DIF): Logistic Regression Modeling as a Unitary Framework for Binary and Likert-type (Ordinal) Item Scores. Ottawa ON: Directorate of Human Resources Research and Evaluation, Department of National Defense.  This provides a link to download a compressed ZIP file with all the SPSS syntax files and the example data sets; click DIF to download the compressed file.

Zumbo, B. D. (1997). The Best Teachers I Ever Had Were … Bill Rozeboom and Donald Zimmerman. Teaching Business Ethics, 1, 231-234.

This paper was an invited essay on the characteristics of good teaching.
[For a reprint please click Zumbo_1997].