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Testing the discriminant validity of Schwartz' portrait calue questionnaire items: a replication and extension of Knoppen and Saris (2009) [journal article]
Source: Survey Research Methods, 6 (2012) 1. p.25-36
Testing Measurement Invariance for a Second-Order Factor: A Cross-National Test of the Alienation Scale [journal article]
Source: Methods, data, analyses : a journal for quantitative methods and survey methodology (mda), 12 (2018) 1. p.47-76