Laupper, Ellen, Esther Kaufmann, and Reips Ulf-Dietrich. “The Late Responding Phenomenon in Web Versus Mail Surveys: A Systematic Review and Meta-Analysis”. Survey Research Methods 17, no. 4 (December 22, 2023): 465–491. Accessed September 27, 2024. https://ojs.ub.uni-konstanz.de/srm/article/view/8126.