Assistant Professor of Quantitative Methods, Measurement, and Statistics
Psychometrics; Measurement Theory; Item Response Theory; Test Design and Analysis; Diagnostic Classification Models
Dr. Ren Liu is an Assistant Professor of Quantitative Methods, Measurement, and Statistics at the University of California, Merced. He earned his Ph.D. in Research and Evaluation Methodology with a specialization in Quantitative Methods at the University of Florida in 2018. His research focuses on developing advanced statistical and measurement methods in behavioral and social sciences. His methodological work is centered on advancing item response theory and its applications in test development and analysis. He has published a variety of articles in top journals such as Educational and Psychological Measurement, British Journal of Mathematical and Statistical Psychology, Behaviormetrika, and Behavior Research Methods. He also provides methodological consultation on research grants and projects. Dr. Liu teaches both undergraduate and graduate level courses including Analysis of Psychological Data, Item Response Theory, and Measurement Theory and Psychometrics.