THESIS
2020
xx, 189 pages : illustrations ; 30 cm
Abstract
Within every interaction between a human and a computer, there exist the twin challenges of understanding the computer’s current state and figuring out how to update it. Previous research has been aware of “the gulf of evaluation” and “the gulf of execution”, and addressed them by applying metaphors. However, the use of non-verbal metaphors has not been fully investigated in developing a wide range of applications and enhancing user experience.
This thesis explores the effects of using non-verbal metaphors to reduce the mismatches within the communication between humans and computers. To assist users in perceiving computer feedback and interpret what it means, we explore the effect of using the visual metaphors with familiar objects to interpret, introspect, and interact with data. We...[
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Within every interaction between a human and a computer, there exist the twin challenges of understanding the computer’s current state and figuring out how to update it. Previous research has been aware of “the gulf of evaluation” and “the gulf of execution”, and addressed them by applying metaphors. However, the use of non-verbal metaphors has not been fully investigated in developing a wide range of applications and enhancing user experience.
This thesis explores the effects of using non-verbal metaphors to reduce the mismatches within the communication between humans and computers. To assist users in perceiving computer feedback and interpret what it means, we explore the effect of using the visual metaphors with familiar objects to interpret, introspect, and interact with data. We first present VideoForest, a visualization system designed with a tree-like visual summary to support video analysis augmented with danmu data. We then examine a postcard metaphor to facilitate self-reflection on social media food posts. Next, we experiment with metaphorical biofeedback designs to support user engagement during a guided stress management practice. To assist users in manipulating computer controls, we use embodied metaphors to help designers create meaningful interactions with everyday gestures. We introduce Metaphoraction, a creativity support tool that formulates interaction design ideas to extend gesture meanings.
To sum up, this thesis takes metaphors’ target domain as the way to represent a computer’s functioning and the source domain as the users’ mental images with real-world references. The fundamental idea is to investigate the effects of non-verbal metaphors in reducing the gulfs, which includes conveying data insights, increasing engaging experiences, providing pleasant persuasion, and support creative ideation. Follow-up studies prove that using metaphors can move the represented model closer to the user’s mental model, and the resulting conclusions and design considerations benefit futuristic digital communication between humans and computers.
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