Modern Psychological Measurement: New Developments in Item Response Theory
Sunday, May 24, 2009,
10:30 AM - 11:50 AM
Yerba Buena 3 - 4
University of California, Los Angeles
Item Response Theory (IRT), already widely used in large-scale educational assessment, is now increasingly applied to measure psychological constructs in research settings. A notable example is the recent surge of interest among mental health researchers in the application of IRT and its close relative – Computerized Adaptive Testing – to develop standardized measurement instruments for patient reported outcomes. This change of focus, from educational assessment to psychological measurement, has challenged traditional IRT methods and provided opportunities for new developments. As a result, the past few years have seen exciting research on 1) new IRT models, 2) new methods for estimation, and 3) improved software implementation. This symposium draws on the expertise of speakers who are at the forefront of each of these three areas, and provides a forum for cutting-edge research in quantitative psychology.