Evaluation of covariate effects in item response theory models by Gustaf J. Wellhagen, Ashraf Yassen, Dirk Garmann, Astrid Bröker, Alexander Solms, Yang Zhang, Maria C. Kjellsson, Mats O. Karlsson

Get full text

Item response theory analysis of daytime sleepiness as a symptom of obstructive sleep apnea by Gustaf J. Wellhagen, Mats O. Karlsson, Maria C. Kjellsson, Dirk Garmann, Astrid Bröker, Yang Zhang, Mika Nokela, Gerrit Weimann, Ashraf Yassen

Get full text