We are sad to relay news of the death of R. Darrell Bock. Darrell was a titan in the field – his work defined the shape and trajectory of modern psychometrics. We each had the pleasure of meeting Darrell at various points in our careers and he was as impressive in person as he was in his published work. All three of us – indeed this entire company – have been shaped by Darrell’s many contributions. We echo the closing … Read More
We made minor bug fixes to the IRTPRO installer. The revised installer is available in the VPG Store for registered IRTPRO license holders by clicking on “Download Software” button within My Account – License tab.
Dr. Li Cai will serve on the GRE Board Research Committee for the next three years.
VPG’s Drs. Edwards, Houts, & Cai’s paper entitled “A diagnostic procedure to detect departures from local independence in item response theory models” has been accepted for publication in Psychological Methods.
In January 2017, VPG’s Dr. Edwards joined the faculty of the Department of Psychology at Arizona State University. Dr. Edwards is an Associate Professor in the Quantitative Area. Prior to joining the faculty at ASU, Dr. Edwards was an Assistant (2006-2011) and Associate (2011-2016) Professor in the Quantitative Area of the Department of Psychology at The Ohio State University.
VPG’s Dr. Michael C. Edwards was named Associate Editor for the journal Multivariate Behavioral Research. Multivariate Behavioral Research is a peer-reviewed academic journal published by Taylor & Francis Group on behalf of the Society of Multivariate Experimental Psychology.
Drs. Carrie Houts, Mike Edwards, and R.J. Wirth from VPG and Linda Deal, from Pfizer, published a literature review in Quality of Life Research entitled “A review of empirical research related to the use of small quantitative samples in clinical outcome scale development.”
Dr. R.J. Wirth, VPG President and Managing Partner, has been elected Co-Chair of the ISOQOL Psychometric Special Interest Group. He will take over as Chair-elect this October in Copenhagen at the ISOQOL annual meeting.
Dr. R.J. Wirth will be attending ISOQOL’s Measuring What Matters Symposium on July 25-26 in Washington, DC. Check out our back cover ad in the Measuring What Matters program.
VPG’s Drs. Wirth, Edwards, and Houts have teamed with members of Johnson and Johnson Vision Care, Inc. to develop the Contact Lens User Experience: CLUE assessment system. There is a link to the paper on our News Blog.