Kelly Wauters, Piet Desmet, Wim van den Noortgate. Acquiring Item Difficulty Estimates: a Collaborative Effort of Data and Judgment. Nominee for Best Paper Award. In Mykola Pechenizkiy, Toon Calders, Cristina Conati, Sebastián Ventura, Cristóbal Romero, John C. Stamper, editors, Proceedings of the 4th International Conference on Educational Data Mining, Eindhoven, The Netherlands, July 6-8, 2011. pages 121-128, www.educationaldatamining.org, 2011. [doi]
Abstract is missing.