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11/8/2013
1:00pm-4:00pm
106 Farrell Hall
MSU Center for Statistical Training and Consulting

Item Response Modeling

This workshop will provide an overview of item response modeling, a family of statistical techniques for analyzing test and questionnaire data. We will start with a brief introduction to philosophies of measurement and discuss how item response modeling can be used to achieve effective measurement. We will work through analyses of dichotomous item data, including a discussion of how to determine the number of dimensions underlying a group of items. Topics: • Philosophy of measurement • Dichotomous models • Introduction to item factor analysis