We propose a cup-shaped device called Cup-le for conversational experiment. Cup-le has various sensors to record participants' nonverbal behavior such as utterance. Cup-le saves the work of attaching sensors. Also, since Cup-le appears cup-shaped, it can sense without being aware of the sensor unlike conventional wearable sensors. Moreover, by attaching touch display, Cup-le can show information and can be operated. In this conversational experiment, we use the input-output as method to have a questionnaire during the experiment and capture participants' impression for their conversation. We conducted real conversational experiment with Cup-le, and we confirmed that Cup-le supported sufficiently the experiment without affecting their impression.
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