Faculty Directory

Matthias von Davier

Monan Professor in Education

Executive Director, TIMSS & PIRLS International Study Center

Profile

Dr. von Davierā€™s research focuses on developing psychometric models for analyzing data from complex item and respondent samples and on integrating diagnostic procedures into these methods. His areas of expertise includes topics such as item response theory, latent class analysis, classification and mixture distribution models, diagnostic models, computational statistics, person-fit, item-fit, and model checking, as well as hierarchical extension of models for categorical data analysis, and the analytical methodologies used in large scale educational surveys.

Dr. von Davierā€™s applied research uses these methodologies to analyze data from educational testing, large-scale survey assessments of student skills and adult literacy, to computer-based assessment of skills, and to the analysis of questionnaire data.