Item Response Theory Workshop

Steven P. Reise

Professor of Psychology
University of California, Los Angeles

 

Friday, February 24^th 2006
12:00 - 4:30 pm
3258 Franz Hall
University of California, Los Angeles
Los Angeles, CA 90095-1563

PROGRAM

12:00-12:30--Lunch

12:30-4:00--Workshop

ABOUT THE WORKSHOP

Item Response Theory (IRT) is a model that will facilitate the description, in probabilistic terms, of the relationship between a person's response and some status variable such as race or gender. IRT is a very valuable method to be employed by those interested in looking at differences in response by racial/ethnic minorities and so this workshop is an excellent opportunity for participants interested in investigating health disparities in minority populations. This introductory workshop included a discussion of the basics of item response theory (IRT) modeling, including discussions of defining model parameters, model assumptions, item and test characteristic and information curves, frequently-used IRT models, and differences between traditional and IRT methods. Also included were discussions of the role of IRT modeling in health outcomes research of evaluating and developing questionnaires, identifying differential item functioning, linking instruments, developing item banks, and assessing change and critical issues for applying this methodology in health outcomes research.
 

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