User Experience Design for E-Voting...User Experience Design for E-Voting How mental models align...
Transcript of User Experience Design for E-Voting...User Experience Design for E-Voting How mental models align...
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User Experience Design for E-VotingHow mental models align with security mechanisms
E-Vote-ID 20192019 October 2
Marie-Laure Zollinger
Joint work with Verena Distler, Peter B. Rønne, Peter Y.A. Ryan, Carine Lallemand, Vincent Koenig
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
Outline
1. Motivation
2. Design
3. Results
4. Future Work
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
Motivation
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–in Selene: Voting with Transparent Verifiability and Coercion-Mitigation (Peter Y.A. Ryan, Peter B. Rønne, Vincenzo Iovino)
“We take a different approach and revisit an old idea: to provide each voter with a private tracking number. […] This is appealing in that it
provides voters with a very simple, intuitive way to verify their vote, in the clear.”
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
Design of a user interface
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System Image Perception
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
Selene
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67890
Enc(vote)Vote Tally
12345
Verify
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
A User Centred Approach
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
Testing with paper
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
Mobile Application
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
–Donald Norman
“Mental models are people’s view of the world, of themselves, of their own capabilities, and of the tasks that they are asked to perform, or
topics they are asked to learn.”
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
User Study
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Test Questionnaire Interview
Security, visible yet unseen? —CHI Proceedings 2019
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
Mental Models
PrivacyVerifiability
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Secrecy
Coercion
Trust
Hacking
Approachability
Observer
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Marie-Laure Zollinger E-Vote-ID 2019 User Experience Design for E-Voting
What have we learned?
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• People care about Privacy and Coercion
• Verification is confusing
• Trust important for security perception
• Accessibility of knowledge
Impact on Voting Research
• 1 hour to understand
• Incomplete experience
Limitations
• 100% of effectiveness
• A lack of understanding
• Security unseen
Impact of Design