Lawrence T. DeCarlo

Lawrence T. DeCarlo is a Professor of Psychology and Education at Teachers College, Columbia University, affiliated with the Department of Human Development and the Measurement, Evaluation, and Statistics program. He holds a B.A. in Psychology from SUNY Stony Brook, an M.S. in Biostatistics from Columbia University, and a Ph.D. in Psychology from SUNY Stony Brook.

His research focuses on statistical modeling of psychological processes, including latent class analysis, structural equation modeling, and item response theory. Notable work includes reparameterizing diagnostic classification models (e.g., DINA/RDINA) and integrating signal detection theory with educational measurement frameworks. He has developed SPSS macros, Latent Gold syntax, and Mplus programs for advanced statistical analyses.

His recent publications explore fused SDT/IRT models, signal detection applications in exams, and reparameterization techniques. He contributes to methodological advancements in educational and psychological measurement, with applications in test design, rater scoring, and cognitive diagnosis.