使用成对比较和Bradley-Terry模型分析各种空中超声触觉刺激所引发的愉悦感
Analysis of Pleasantness Evoked by Various Airborne Ultrasound Tactile Stimuli Using Pairwise Comparisons and the Bradley-Terry Model
AI总结：
本研究通过结合李克特量表、成对比较和Bradley-Terry模型，评估空中超声触觉刺激的愉悦感，发现横向调制和大接触面积的刺激对多数参与者更愉悦。
摘要：
向人的前臂呈现移动的触觉刺激会引发愉悦的感觉。为了更详细地评估愉悦感与触觉刺激之间的关系，应系统性地改变抚摸的速度、强度和接触面积。已有研究使用空中超声触觉显示器考察了抚摸刺激与愉悦感觉之间的关系。基于超声的方法具有可重复控制刺激速度、强度和接触面积的优点。在本研究中，我们制备了聚焦于调制方法和接触面积的新刺激，旨在更详细地阐明它们与愉悦感的关系。对诸如愉悦感之类的主观感觉进行数值化且一致的评估是具有挑战性的，因此有必要基于比较进行评估。我们提出了一种刺激评估方法，该方法结合了使用李克特量表的粗略评估、使用成对比较的详细评估以及使用Bradley-Terry模型对比较数据进行量化。结果表明，对于十名参与者中的六名，本研究中使用的采用横向调制的刺激和具有大接触面积的刺激比传统刺激更令人愉悦。
英文摘要：
The presentation of a moving tactile stimulus to a person's forearm evokes a pleasant sensation. The speed, intensity, and contact area of the strokes should be systematically changed to evaluate the relationship between pleasantness and tactile stimuli in more detail. Studies have examined the relationship between stroking stimulation and pleasant sensations using airborne ultrasound tactile displays. The ultrasound-based method has the advantage of reproducible control of the speed, intensity, and contact area of the stimulus. In this study, we prepared new stimuli focusing on the modulation methods and the contact area and aimed to clarify their relationship with pleasantness in more detail. Evaluating subjective sensations, such as pleasantness, numerically and consistently is challenging, warranting evaluation based on comparison. We propose a stimulus evaluation method that combines rough evaluation using Likert scales, detailed evaluation using pairwise comparisons, and quantification of comparison data using the Bradley--Terry model. As a result, we confirmed that the stimulus using lateral modulation and that with a large contact area used in this study were more pleasant than the conventional stimulus for six out of ten participants.
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