Tactile interaction plays a crucial role in interactions between people. Touch can, for example, help people calm down and lower physiological stress responses. Consequently, it is believed that tactile and haptic interaction matter also in human-robot interaction. We study if the intensity of the tactile interaction has an impact on people, and do so by studying whether different intensities of tactile interaction modulate physiological measures and task performance. We use a paradigm in which a small humanoid robot is used to encourage risk-taking behaviour, relying on peer encouragement to take more risks which might lead to a higher pay-off, but potentially also to higher losses. For this, the Balloon Analogue Risk Task (BART) is used as a proxy for the propensity to take risks. We study four conditions, one control condition in which the task is completed without a robot, and three experimental conditions in which a robot is present that encourages risk-taking behaviour with different degrees of tactile interaction. The results show that both low-intensity and high-intensity tactile interaction increase people's risk-taking behaviour. However, low-intensity tactile interaction increases comfort and lowers stress, whereas high-intensity touch does not.
翻译:触摸可以帮助人们冷静下来, 降低生理压力反应。 因此, 人们相信, 触摸和偶然的交互作用在人与机器人的相互作用中也有作用。 我们研究触摸互动的强度是否对人有影响, 研究触觉互动的强度是否不同, 研究触觉互动的强度是否不同, 调节生理测量和任务性能。 我们使用一种模式, 使用小型人类机器人来鼓励冒险行为, 依靠同行的鼓励来承担更多的风险, 从而导致更高的报酬, 但也有可能导致更高的损失。 为此, 气球对声风险任务( BART) 被作为风险的主动性的代理。 我们研究四种条件, 一种控制条件, 即任务在没有机器人的情况下完成, 三种实验条件, 机器人存在鼓励不同程度的触动性互动的风险行为。 结果显示, 低强度和高强度的触觉性互动会增加人们的风险性。 但是, 低度的触觉和低度互动不会增加人们的触觉和低度。