This is the webpage of Letty Koopman

From September 1, 2023 I will be working as an assistant professor at the Groningen Institute for Educational Research (GION) at the University of Groningen! There, I will be teaching, applying, investigating, and developing methods and statistics for educational research. Looking forward!

December 1, 2022 I started my position as a guest researcher at the Centre for Educational Measurement at the University of Oslo (CEMO) , made possible by the Gustafsson & Skrondal visiting scholarship!

November 3, 2022 I succesfully defended my PhD thesis Nonparametric Item Response Theory for Multilevel Test Data at the Research Institute Child Development and Education at the University of Amsterdam!

Get in touch: Letty@LettyKoopman.nl