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avatar for R.J. Wirth

R.J. Wirth

Vector Psychometric Group, LLC
R.J. Wirth is President and managing partner at VPG. He trained in the L. L. Thurstone Psychometric Lab, receiving his PhD in Quantitative Psychology from the University of North Carolina – Chapel Hill. His research focuses on modern psychometrics with an emphasis on measurement invariance in longitudinal models. He has published numerous book chapters and journal articles appearing in outlets such as Health Psychology, Medical Care, Psychological Assessment, and Psychological Methods.

My Chair Sessions

Tuesday, June 28