An analysis of question quality and user performance in crowdsourced exams. - Sarah K. K. Luger; Jeff Bowles (DUBMOD@CIKM, 2013)

Two Methods for Measuring Question Difficulty and Discrimination in Incomplete Crowdsourced Data. - Sarah K. K. Luger; Jeff Bowles (HCOMP (Works in Progress / Demos), 2013)

Comparative Methods and Analysis for Creating High-Quality Question Sets from Crowdsourced Data. - Sarah K. K. Luger; Jeff Bowles (FLAIRS, 2016)