
معرفی
Craig S. Wells is a Professor at the University of Massachusetts Amherst, affiliated with the Research and Evaluation Methods Program and serving as Associate Director of the Center for Educational Assessment. He holds a PhD from the University of Wisconsin at Madison (2004) in Quantitative Methods in Educational Psychology. His research focuses on non-parametric item response models, differential item functioning detection, IRT model fit assessment, and the philosophy of science. He teaches statistical methods and structural equation modeling.
Dr. Wells has contributed extensively to psychometric methodologies, including software development (e.g., 'irtQ' and 'irtplay' packages) and validation frameworks for educational assessments. His work addresses challenges in cross-cultural testing, accommodations for English learners, and improving measurement invariance in applied research. He has collaborated on projects in Guatemala, Florida, and Massachusetts, emphasizing practical applications of quantitative methods in education.
His recent articles explore topics like linguistic adaptations in science testing, student growth percentiles, and curriculum-based assessments. While no scientific awards are explicitly mentioned, his prolific publication record and leadership roles highlight his influential contributions to educational measurement and policy.
Wells has advised numerous projects related to educational equity, test design, and policy implementation. His involvement with the Center for Educational Assessment underscores his commitment to advancing valid, equitable assessment practices. He has also developed tools for formative assessment and collaborated on initiatives to improve literacy in marginalized communities.




