All posts by rjwirth

flexMIRT v1 Support

Due to new security protocols, flexMIRT version 1 will no longer be supported after January 1, 2016. If you are using the software it will continue to work until your license expires but you may see a “server not found” error when starting the software. You can always upgrade to version 3, free of charge, with an active flexMIRT license.

Dr. Cai Receives FABBS Award

Li Cai was honored with the Federation of Associations in Behavioral & Brain Sciences (FABBS) Foundation Early Career Impact Award during the annual meeting of the Society of Multivariate Experimental Psychology in October 2015, in Los Angeles, California. Building Statistical Tools to Measure and Improve Well-Being

ISOQOL Presentation: Longitudinal IRT

Dr. R. J. Wirth will be presenting on the use of longitudinal item response theory models for scale development in small samples. The presentation, entitled “PRO development with small samples: An innovative use of repeated measures IRT”, will be presented on October 22nd during session 107 (starting at 4:05 PM Pacific) at the ISOQOL 22nd Annual Conference in Vancouver.

NCTA Board of Advisors

Dr. R. J. Wirth, VPG Managing Partner, has joined the North Carolina Technology Association as a member of the Board of Advisors. The NCTA Board of Advisors serve as a sounding board to help grow NCTA’s membership and profile as the primary voice for North Carolina’s tech sector.

Dr. James McGinley joins VPG

Vector Psychometric Group, LLC is excited to welcome Dr. James McGinley to the VPG team. After earning his PhD in Quantitative Psychology with a minor in Biostatistics from the University of North Carolina at Chapel Hill, Dr. McGinley founded McGinley Statistical Consulting where he successfully aided pharmaceutical and academic clients in developing, conducting, and disseminating original programs of research. This work has resulted in numerous conference presentations and peer-reviewed publications. Dr. McGinley’s research focuses on novel mixed-effects models for ordinal … Read More

Binge Eating PRO Publication

VPG and Shire PLC to publish a “Validation of the Yale-Brown Obsessive Compulsive Scale Modified for Binge Eating” in the International Journal of Eating Disorders. A link to the article and supplemental materials will be provided when they become available.

Pediatric PRO Development

VPG and Johnson & Johnson Vision Care Inc. will be presenting “A Patient- Reported Outcomes (PRO) questionnaire for the pediatric soft contact lens wearer: Pediatric Contact Lens User Experience (pCLUE)’” at the 2015 British Contact Lens Association Conference (29 – 31 May) in Liverpool, UK.