LUEBKER, Malte. How Much is a Box? The Hidden Cost of Adding an Open-ended Probe to an Online Survey. methods, data, analyses, [S. l.], v. 15, n. 1, p. 7–42, 2021. DOI: 10.12758/mda.2020.09. Disponível em: https://majournals.bib.uni-mannheim.de/mda/article/view/2020.09. Acesso em: 14 mar. 2026.