Auflistung nach Autor:in "Marchandise, Emile"
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- KonferenzbeitragPull Outperforms Push as Vibrotactile Wristband Feedback for Mid-Air Gesture Guidance(Mensch und Computer 2023 - Tagungsband, 2023) Willms, Jan; Letter, Maximilian; Marchandise, Emile; Wolf, KatrinThe use of mid-air gestures to control interactive systems is becom- ing increasingly important, particularly in mixed reality scenarios. However, these gestures are not always intuitive and can be chal- lenging to learn as they lack visual guidance. Therefore, it is crucial to explore strategies to improve the learnability of these gestures. In this work, it is investigated how a vibration stimulus can be applied at the forearm to guide a person in performing a gesture. Utilizing a prototypical wristband with 24 vibrotactile actuators, the metaphors pull and push, representing attractive and repulsive feedback, were compared against each other. Results of a controlled user study show that participants perform significantly better with the pull metaphor, completing gestures faster, and make fewer er- rors. In line with this, the majority stated a subjective preference towards pull after experiencing both metaphors.