Roberts, C., Sarrasin, O. and Ernst Stähli, M. (2020) “Investigating the Relative Impact of Different Sources of Measurement Non-Equivalence in Comparative Surveys: An Illustration with Scale Format, Data Collection Mode and Cross-National Variations”, Survey Research Methods, 14(4), pp. 399–415. doi: 10.18148/srm/2020.v14i4.7416.