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Improving the Usability and UX of the Swiss Internet Voting Interface

Marky, Karola and Zimmermann, Verena and Funk, Markus and Daubert, Jörg and Bleck, Kira and Mühlhäuser, Max (2020):
Improving the Usability and UX of the Swiss Internet Voting Interface.
In: CHI '20: Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems, ISBN 978-1-4503-6708-0,
DOI: 10.1145/3313831.3376769,
[Online-Edition: https://dl.acm.org/doi/10.1145/3313831.3376769],
[Conference or Workshop Item]

Abstract

Up to 20 of residential votes and up to 70 of absentee votes in Switzerland are cast online. The Swiss scheme aims to provide individual verifiability by different verification codes. The voters have to carry out verification on their own, making the usability and UX of the interface of great importance. To improve the usability, we first performed an evaluation with 12 human-computer interaction experts to uncover usability weaknesses of the Swiss Internet voting interface. Based on the experts' findings, related work, and an exploratory user study with 36 participants, we propose a redesign that we evaluated in a user study with 49 participants. Our study confirmed that the redesign indeed improves the detection of incorrect votes by 33 and increases the trust and understanding of the voters. Our studies furthermore contribute important recommendations for designing verifiable e-voting systems in general.

Item Type: Conference or Workshop Item
Erschienen: 2020
Creators: Marky, Karola and Zimmermann, Verena and Funk, Markus and Daubert, Jörg and Bleck, Kira and Mühlhäuser, Max
Title: Improving the Usability and UX of the Swiss Internet Voting Interface
Language: English
Abstract:

Up to 20 of residential votes and up to 70 of absentee votes in Switzerland are cast online. The Swiss scheme aims to provide individual verifiability by different verification codes. The voters have to carry out verification on their own, making the usability and UX of the interface of great importance. To improve the usability, we first performed an evaluation with 12 human-computer interaction experts to uncover usability weaknesses of the Swiss Internet voting interface. Based on the experts' findings, related work, and an exploratory user study with 36 participants, we propose a redesign that we evaluated in a user study with 49 participants. Our study confirmed that the redesign indeed improves the detection of incorrect votes by 33 and increases the trust and understanding of the voters. Our studies furthermore contribute important recommendations for designing verifiable e-voting systems in general.

ISBN: 978-1-4503-6708-0
Uncontrolled Keywords: E-Voting, Individual Verifiability, Usability Evaluation
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Telecooperation
Event Title: CHI '20: Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems
Date Deposited: 05 Feb 2020 07:20
DOI: 10.1145/3313831.3376769
Official URL: https://dl.acm.org/doi/10.1145/3313831.3376769
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