AL BAGHAL, Tarek. Is Vague Valid? The Comparative Predictive Validity of Vague Quantifiers and Numeric Response Options. Survey Research Methods, [S. l.], v. 8, n. 3, p. 169–179, 2014. DOI: 10.18148/srm/2014.v8i3.5813. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/5813. Acesso em: 26 apr. 2024.