Abstract The European Union’s General Data Protection Regulation (GDPR) requires websites to ask for consent to the use of cookies for specific purposes. This enlarges the relevant design space for consent dialogs. Websites could try to maximize click-through rates and positive consent decision, even at the risk of users agreeing to more purposes than intended. We evaluate a practice observed on popular websites by conducting an experiment with one control and two treatment groups (N = 150 university students in two countries).
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Multiple Purposes, Multiple Problems: A User Study of Consent Dialogs after GDPR
The results show that participants who see a default button accept cookies for more purposes than the control group, while being less able to correctly recall their choice, and regret it more often and perceive the consent dialog as more deceptive than thecontrol group.