Latest News And Announcements

Photos from IMPS 2016 Available!

Pieter Kroonenberg (shown in photo) has taken wonderful photos at IMPS 2016 and published them here (password: imps2016). The group photo, sponsored by Mplus, can be downloaded here. See also this page for photos from recent annual meetings.

You can also find pages with photos of many other past meetings (1980, 1995, 2001, 2003-2016) - see hyperlinks on this page. We would be grateful to receive further photos, especially for meetings for which we do not yet have pages. If you have photos to contribute, please email

See also other historic webpages.

Happy 80th Birthday Psychometrika

Psychometrika, the flagship journal of the Psychometric Society, turns 80 this year. At IMPS 2016, four anniversary sessions will be organized. Please check out the program for more information. Also the Welcome reception on Tuesday from 6-8pm is devoted to this special anniversary. Also Springer, the publisher of Psychometrika, celebrates this anniversary with this website. Click here to download papers and slides about citation classics published in Psychometrika (from contributors to Psychometrika Anniversary Sessions at IMPS 2016).

Dissertation Prize 2016

This year’s Psychometric Society Dissertation Prize winners are Stijn Verdonck (KU Leuven, University of Leuven, Belgium), and Yang Liu (University of North Carolina at Chapel Hill). Dr. Verdonck's adviser was Dr. Francis Tuerlinckx and the title of his dissertation was Advances in Choice Response Time Modeling: Non-linearity, Efficient Computation, and Non-decision Time. Dr. Liu's adviser was Dr. David Thissen and the title of his dissertation was Generalized Fiducial Inference for Graded Response Models.

Congratulations to both winners!