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RT @AchimZeileis: Just out in Psychometrika: Score-based tests of differential item functioning via pairwise maximum likelihood estimation.…
RT @AchimZeileis: Just out in Psychometrika: Score-based tests of differential item functioning via pairwise maximum likelihood estimation.…
RT @AchimZeileis: Just out in Psychometrika: Score-based tests of differential item functioning via pairwise maximum likelihood estimation.…