Laupper, Ellen, Esther Kaufmann, and Ulf-Dietrich Reips. “Late Responding in Web and Mail Surveys: A Systematic Review and Meta-Analysis”. Survey Research Methods 17, no. 4 (December 31, 2023): 465–491. Accessed May 21, 2024. https://ojs.ub.uni-konstanz.de/srm/article/view/8126.