On the 10th June 2014, the Psychometrics Centre was honored withe the presence of Dr David Magis of the University of Liège, the renowned author of the catR software that powers many of the adaptive functions in Concerto. He has generously made his slides available here.
David's presentation takes us through the various steps that are essential for the production of a successful Computer Adaptive Test, and shares with us his vision for the future development of catR.
Session 2: Overview of R software and catR package
Session 4: Overview of polytomous IRT models
Session 6: Final Comments