Kapteyn, Arie; Smith, James P.; Soest, Arthur van - Geary Institute, University College Dublin - 2009
than working respondents. In this paper we use anchoring vignettes to identify justification bias and other forms of DIF … commonly referred to as “differential item functioning” (DIF). A specific form of DIF is justification bias: to justify the … significant evidence of justification bias in the U.S. but not in Europe, suggesting differences in social norms concerning work. …