Klausch, Thomas; Hox, Joop J.; Schouten, Barry - In: Sociological Methods & Research 42 (2013) 3, pp. 227-263
This study applies ordinal confirmatory factor analysis for multiple groups to assess equivalence of scale, random errors and systematic (nonrandom) errors of attitudinal questions surveyed on rating scales under different survey modes (Face-to-Face [F2F], Telephone, Paper, and Web). Empirical...