Höhne, Jan Karem, Dagmar Krebs, and Steffen M. Kühnel. “Investigating Direction Effects in Rating Scales With Five and Seven Points in a Probability-Based Online Panel”. Survey Research Methods 17, no. 2 (August 8, 2023): 193–204. Accessed May 15, 2024. https://ojs.ub.uni-konstanz.de/srm/article/view/8006.