INVITED PRESENTATIONS (Selected)

Karabatsos, G. (August, 2008). Modeling heteroscedsasticity in the single index model with the Dirichlet Process. Session on Bayesian Nonparametrics, Joint Statistical Meetings of the American Statistical Association, Denver, Colorado (Sanjib Basu, Session Chair).

Gibbons, R.D., Segawa, E., Karabatsos, G., Amatya, A.K., Brown, C.H., Kapur, K., Marcus, S., Bhaumik, D.K., Hur, K., & Mann, J.J. (2008). Random-effect Poisson Regression Analysis of Adverse Event Reports: The Relationship Between Antidepressants and Suicide. Presentation for the Dept of Biostatistics, University of Illinois-Chicago (presenter was D.K. Bhaumik).

Karabatsos, G. (Sep 28, 2007). Bayesian Variable Selection In Semiparametric Regression With Heteroscedasticity. Seminar for Division of Statistics, Northern Illinois University (Sanjib Basu, host).

Karabatsos, G. (August 9, 2007). Bayesian Nonparametric Single-Index Modeling. Isaac Newton Institute Workshop on Construction and Properties of Bayesian Nonparametric Regression Models, Cambridge University, United Kingdom.

Karabatsos, G. (April 25, 2007). Bayesian Nonparametric Modeling. Presentation for the Chicago Chapter of the American Statistical Association. East Bank Club, Chicago (noon).

Karabatsos, G. (March, 2007). Bayesian Nonparametric Random Effects Modeling. Presentation for the Dept of Biostatistics, University of Illinois-Chicago.

Karabatsos, G., & Walker, S.G. (June 18-21, 2006). Model Selection With a Nonparametric Prior. Fifth Workshop on Bayesian Nonparametrics: Methodology, Theory, and Applications. Jeju Island, South Korea (Conference Sponsored by the Statistical Research Center for Complex Systems (SRCCS) of Seoul National University).

Karabatsos, G., & Walker, S.G. (April 14-16, 2006). Model Selection With a Nonparametric Prior. Clyde Coombs conference, Session on Nonparametric Bayesian Inference. University of Michigan, Ann Arbor (Jun Zhang, host).

Karabatsos, G., & Walker, S.G. (March, 2006). Solving incoherence in model selection with Bayesian nonparametrics. University of Illinois at Urbana-Champaign, seminar, Department of Psychology, Quantitative Psychology Program (Professor David Budescu, host).

Karabatsos, G. (December, 2005). Is It Possible To Solve The Incoherence in Rasch Measurement? Keynote speech, Midwest Objective Measurement Seminar, Northwestern University (Mary Lunz, host).

Karabatsos, G. (October, 2005). Bayesian Nonparametric Model Selection and Model Testing. Statistical Seminar (Athanasios Kottas and David Draper, hosts), Department of Statistics, The University of California at Santa Cruz.

Karabatsos, G. (May, 2005). Bayesian Cultural Consensus Theory. Conference on “May I Ask A Question Please? Psychometric Issues and Impacts (Mary Morrissey, host). Sponsored by the American Statistical Association, Chicago Chapter.

Karabatsos, G. (March, 2005). Bayesian Nonparametric Model Selection and Model Testing. Robert Wherry Lecture, Ohio State University (Robert Browne and Jay Myung, hosts). Sponsored by the Department of Quantitative Psychology and the Department of Statistics.

Karabatsos, G. (January, 2005). Bayesian Cultural Consensus Theory. Workshop on Cognitive Psychometrics (William Batchelder, host), University of California at Irvine.

Karabatsos, G. (October, 2004). A Bayesian non-parametric approach to testing stochastic order in several populations. University of Illinois at Chicago, weekly seminar sponsored by the Department of Statistics. (Professor Samad Hedayat, host).

Karabatsos, G. (August, 2004). A Bayesian approach to the Monotone Homogeneity Model of Nonparametric Item Response Theory. Session on Recent Developments in Nonparametric Item Response Theory (van der Ark and K. Sijtsma, hosts), in the Sixth International Conference on Social Science Methodology, Amsterdam, The Netherlands.

Karabatsos, G. (January, 2004). What would Bayes and de Finetti say to Kahneman and Tversky? ( An exchangeable multinomial model for testing axioms of measurement and decision ). Bayesian Research Conference (Michael Birnbaum, host).

Karabatsos, G. (July, 2003). Bayesian approaches for testing axioms of measurement. One hour plenary presentation for the Annual Mathematical Psychology meeting, invited by the Society for Mathematical Psychology, for winning the New Investigator Award for year 2002.

Karabatsos, G. (April, 2003). Bayesian model averaging for cognitive models. University of Illinois at Chicago, weekly seminar sponsored by the Department of Statistics. (Professor Samad Hedayat, host).

Karabatsos, G. (March, 2003). New Bayes approaches for testing axioms of measurement. University of Illinois at Urbana-Champaign, seminar, Department of Psychology, Quantitative Psychology Program (Professor Michel Regenwetter, host).

Karabatsos, G. (2002). A general probabilistic IRT model for axiomatic conjoint measurement. Paper presentation for symposium: “Educational Measurement: Is it really possible?” Trevor G. Bond, symposium chair. International Objective Measurement Workshop, New Orleans.

Karabatsos, G. (April, 2002). A general probabilistic IRT model for axiomatic conjoint measurement. Paper presentation for symposium: “Educational Measurement: Is it really possible?” Trevor G. Bond, symposium chair. American Educational Research Association Annual Conference, New Orleans.

Karabatsos, G. (January, 2002). MCMC Inference for some qualitative models in psychology: Model estimation, evaluation, and selection. The Ohio State University, monthly seminar sponsored by the Department of Psychology, Quantitative Psychology Program (Professor Jay Myung, host).

Karabatsos, G. (April, 2001). Consensus theory and Markov Chain Monte Carlo estimation. DePaul University, monthly seminar sponsored by the Department of Experimental Psychology (Professor Ching-Fan Sheu, host).

Karabatsos, G. (January, 2001). Markov Chain estimation theory and mathematical psychology: Implications for item response theory. Presentation for the Institute for Mathematical Behavioral Sciences, University of California at Irvine.