Hits 1-2 within 2 documents
Measurement invariance and quality of composite scores in a face-to-face and a web survey [journal article]
Source: Survey Research Methods, 7 (2013) 1. p.17-28
Comparing questions with agree/ disagree response options to questions with item-specific response options [journal article]
Source: Survey Research Methods, 4 (2010) 1. p.61-79