HAK, Tony; VEER, Kees van der; JANSEN, Harrie. The Three-Step Test-Interview (TSTI): An observation-based method for pretesting self-completion questionnaires. Survey Research Methods, [S. l.], v. 2, n. 3, p. 143–150, 2008. DOI: 10.18148/srm/2008.v2i3.1669. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/1669. Acesso em: 18 apr. 2024.