Latest News And Announcements

Maria Bolsinova wins 2017 Dissertation Prize!

Maria Bolsinova wins the 2017 Psychometric Society Dissertation Prize for her dissertation on Balancing simple model and complex reality: Contributions to item response theory in educational measurement. She completed her PhD at the Department of Methodology and Statistics of Utrecht University and at the Psychometric Research Centre at Cito, Dutch National Institute for Educational Measurement under supervision of professors Gunter Maris and Herbert Hoijtink.

Dr Bolsinova will give a keynote lecture at IMPS 2017 in Zurich.


Willem Heiser wins 2017 Career Award for Lifetime Achievement!

Willem Heiser wins the 2017 Psychometric Society Career Award for Lifetime Achievement. He is Professor Emeritus in Psychology, Methodology, and Statistics at the Faculty of Social and Behavioral Sciences and at the Mathematical Institute of the Faculty of Science at Leiden University, the Netherlands. Professor Heiser will give a keynote lecture at IMPS 2017 in Zurich.


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).