STRUMINSKAYA, Bella; DE LEEUW, Edith; KACZMIREK , Lars. Mode System Effects in an Online Panel Study: Comparing a Probability-based Online Panel with two Face-to-Face Reference Surveys. methods, data, analyses, [S. l.], v. 9, n. 1, p. 3–56, 2015. DOI: 10.12758/mda.2015.001. Disponível em: https://majournals.bib.uni-mannheim.de/mda/article/view/2015.001. Acesso em: 26 aug. 2026.