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Evaluation References

By Alfred Kobsa

Abstract

kobsa @ uci.eduWhat is HCI and why should we learn about it? 1. A few incidents.... 2. Consequences of bad user interfaces 3. How can user interface designers determine whether a user interface will cause problems for users? 4. What is HCI? A few incidents involving badly designed user interfaces • A professor loses half an hour • A professor and three staff lose two hours • Errors are made in presidential elections • An airliner gets shot down • A nuclear power plant gets out of controlHow can this problem be prevented? Consequences of bad user interfaces Bad interfaces may cause users to • need more time for performing their tasks • make more errors • feel dissatisfied • need more time for learning how to use the software • not learn/use the full functionality of the software • (if given a choice:) refrain from using the software Good interface design therefore is important for any kind of interactive software, and of utmost importance in • systems with high costs of failure (e.g., nuclear power plants, space mission control) • systems with high demands on operators (e.g., rescue coordination centers, combat aircraft, call centers) How can user interface designers determine whether a user interface (element) will cause problems for users

Year: 2012
OAI identifier: oai:CiteSeerX.psu:10.1.1.225.9633
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