User Characteristics for Latency of Vibration Feedback Designing an Experiment on Choice Behavior during a Button Pressing Task

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  • 振動提示の遅延に対するユーザ特性ボタン押下時における選択行動解析のための基礎的検討

Abstract

<p>We develop a system for psychological experiments to study the choice behavior of a human while he/she is pressing a button which has a vibration feedback. The system consists of a mechanical button with a piezoelectric diaphragm and a control unit. An experimenter can vary latency of the vibration feedback depending on the purpose of the experiment. Our evaluation showed that our system is capable of providing feedback in about three milliseconds at the best after detecting button press without chattering, which is considered to be sufficiently fast in order that a participant does not feel latency of the system. In our future work, we plan to first conduct a psychophysical experiment to study the human threshold for detecting latency of the vibration feedback. Then, we will conduct a psychological experiment to objectively and quantitatively evaluate the effect of the latency on the choice behavior.</p>

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