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HCIL-88-10

Wallace, D., Norman, K., Plaisant, C. (Sept. 1988)
The american voice and robotics "guardian" system: a case study in user interface usability evaluation
HCIL-88-10, CS-TR-2113, CAR-TR-392

American Voice and Robotics (AVR), in conjunction with the Maryland Industrial Partnerships (MIPS) program, contracted the Human-Computer Interaction Laboratory (HCIL) to evaluate the user interface of AVR's "Guardian" home automation system. Among their goals for the system were: Ease of use and learning of the system (intuitiveness). Aesthetic appeal, Unintimidating, Impressive, High Functionality, Fast and accurate input of user action, Clear feedback, Forgiving to errors, and Fun to use. Researchers found that users were initially impressed with the system, but that they were not fully satisfied with it. Specific initial recommendations, theoretical and methodological concerns, procedures, results, and direction of future research will be discussed.


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