Carrie R. Houts is Director of Psychometrics at VPG, joining the company in 2011. She received her PhD in Quantitative Psychology from The Ohio State University. Her primary areas of interest involve methodological issues in measurement with a special focus on IRT and factor analysis and the application of modern measurement techniques to substantive areas. Her methodological and substantive works have appeared in such publications as Applied Psychological Measurement, Journal of Consumer Affairs, Autism, and Somatic Medicine and have been nominated for journal-specific awards, including article of the year, several times. In addition to Dr. Houts’ peer-reviewed work, she is the lead author of the flexMIRT® User’s Manual and Adaptest® training documentation, and the primary voice behind the flexMIRT® technical support desk.