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Department Faculty

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Michael C. Edwards

I am interested in measurement issues in the social sciences. Most of my work has been in the realms of item response theory (IRT) and factor analysis. Here is a partial list of what I'm currently working on: using Markov chain Monte Carlo (MCMC) estimation for multidimensional IRT (a.k.a. item factor analysis) models; block-wise adaptive testing; measurement issues in cross-study analyses; measurement models for multiple reporters; local dependence diagnostics. In addition, I've been working to develop software to allow researchers to estimate item factor analysis models using MCMC.

Selected Publications

Edwards, M.C., & Edelen, M.O. (In Press). Special topics in item response theory. To appear in Handbook of quantitative methods in psychology by R. Millsap and A. Maydeu-Olivares (Eds.). New York, NY: Sage.Flora, D.B., Curran, P.J., Hussong, A.M., & Edwards M.C. (In Press). Incorporating measurement non-equivalence in a cross-study latent growth curve analysis. Structural Equation Modeling: A Multidisciplinary Journal.Lecavalier, L., Gadow, K.D., DeVincent, C.J., & Edwards, M.C. (In Press). Validation of DSM-IV model of psychiatric syndromes in children with Autism Spectrum Disorders. Journal of Autism and Developmental Disorders.Mielenz, T.J., Edwards, M.C., Callahan, L.F. (In Press). Item response theory analysis of the Tampa scale for Kinesiophobia in people with arthritis. Journal of Clinical Epidemiology.Woods, C.W., & Edwards, M.C. (2008). Factor analysis and related methods. In C.R. Rao, J.P. Miller, & D.C. Rao (Eds.), Epidemiology and Medical Statistics, (p.367-394). New York, NY: Elsevier.Curran, P.J., Edwards, M.C., Wirth, R.J., Hussong, A.M., & Chassin, L. (2007). The incorporation of categorical measurement models in the analysis of individual growth. In T. Little, J. Bovaird, & N. Card (Eds.), Modeling ecological and contextual effects in longitudinal studies of human development (p.89-120). Mahwah, NJ: LEA.Edwards, M.C. & Thissen, D. (2007). Exploring potential designs for multi-form structure computerized adaptive tests. In D.J. Weiss (Ed.), Proceedings of the 2007 GMAC Conference on Computerized Adaptive Testing.Hill, C.D., Edwards, M.C., Thissen, D., Langer, M.M., Wirth, R.J., Burwinkle, T.M., & Varni, J.W. (2007). Practical issues in the application of item response theory: A demonstration using the Pediatric Quality of Life Inventory (PedsQL) 4.0 Generic Core Scales. Medical Care, 45, S39-S47.Hussong, A.M., Wirth, R.J., Edwards, M.C., Curran, P.J., Zucker, R.A., & Chassin, L.A. (2007). Externalizing symptoms among children of alcoholic parents: Entry points for an antisocial pathway to alcoholism. Journal of Abnormal Psychology, 116, 529-542. Wirth, R.J., & Edwards, M.C. (2007). Item factor analysis: Current approaches and future directions. Psychological Methods, 12, 58-79. Edwards, M.C., & Vevea, J.L. (2006). An empirical Bayes approach to subscore augmentation: How much strength can we borrow? Journal of Educational and Behavioral Statistics, 31, 241-259. Orlando, M., Wenzel, S., Ebener, P., Edwards, M.C., & Mandell, W. (2006). The Dimensions of Change in Therapeutic Community Treatment Instrument. Psychological Assessment, 18, 118-122.

Selected Papers and Presentations

At the crossroads of psychometrics and ethics - A talk given at the 2008 APA meeting in Boston.

Item factor analysis: Where we've been and where we might be going - A "State of the Art" talk given at the 2008 International Meeting of the Psychometric Society.

The current state of quantitative psychology - An invited talk given at the Inaugural Fordham Conference on Applied Psychometrics (FCAP) in June 2008.

Multi-Stage Computerized Adaptive Testing with Uniform Item Exposure - Handouts from a talk given at the 2007 GMAC Conference on Computerized Adaptive Testing.

A Markov Chain Monte Carlo Approach to Confirmatory Item Factor Analysis - An invited talk given at the 2006 meeting of the Psychometric Society as the 2006 recipient of the Dissertation Award.

Finding and Defining Quantitative Psychology - A talk given at the 2005 meeting of APA as part of a symposium organized by Roger Millsap titled "Encouraging Students to Pursue Careers in Quantitative Psychology". For more information on Quantitative Psychology, see http://www.apa.org/science/quant.html.

Diagnostic Scores Augmented Using Multidimensional Item Response Theory: Preliminary Investigations of MCMC Strategies - A paper presented at the 2005 NCME meeting as part of the symposium "Enhancing the Diagnostic Value of Large-Scale Achievement Tests: Technical Developments and Applications"

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