We performed a study to evaluate if the acceptance of a social humanoid robot used for monitoring the activities of elderly users with cognitive deficits increased after interacting with the robot. In addition, we evaluated if the robot’s acceptance is improved when the interaction with the robot occurred in different modalities modulated according to each user’s cognitive and personality profile. A group of 7 participants underwent assessment tools for cognitive and personality traits and for the level of acceptability of the robot. They interacted with the robot at their private home for a minimum of two weeks. The interaction with the robot occurred under two different modalities: standard modality where the robot performed tasks by approaching the subject at a fixed pre-defined frequency of interactions, and at fixed pre-defined times; modulated modality where the robot performed tasks by approaching the subject at different frequencies set according to some personality traits and cognitive profile of the user. The results showed no change in the acceptability level of the robot after direct interaction. Still, personality traits such as Neuroticism and Openness influenced the acceptability of the robot in the elderly only before an interaction. At the same time, these personality traits did not seem to influence the acceptability of the new technology after a direct interaction. Different is the case of cognitive profiles and demographic characteristics. Finally, the score on the pleasantness scale was higher when the interaction with the robot was set in modulated modality rather than standard modality. In conclusion, the identification of the personality traits and the cognitive status in the elderly with cognitive deficits seems to be useful to modulate the type and frequency of interaction of the robot with the user to increase the acceptability of the instrument and pleasures in every daily life.

我们进行了一项研究，以评估用于监控有认知缺陷的老年用户的活动的社交人形机器人在与机器人互动后是否会增加。此外，我们还评估了当与机器人的交互根据每个用户的认知和个性特征以不同的方式进行时，机器人的接受度是否得到提高。7 名参与者接受了认知和人格特征以及机器人可接受程度的评估工具。他们在私人家里与机器人互动了至少两周。与机器人的交互发生在两种不同的模式下：标准模式，机器人通过以固定的预定义交互频率和固定的预定义时间接近对象来执行任务；调制模式，机器人通过根据用户的一些个性特征和认知概况设置的不同频率接近主体来执行任务。结果表明，直接交互后机器人的可接受水平没有变化。尽管如此，神经质和开放性等性格特征仅在互动之前才会影响老年人对机器人的接受程度。同时，这些性格特征似乎并没有影响直接互动后对新技术的接受程度。认知概况和人口特征的情况有所不同。最后，当与机器人的交互设置为调制模式而不是标准模式时，愉悦度的得分更高。总之，识别患有认知缺陷的老年人的人格特征和认知状态似乎有助于调节机器人与用户互动的类型和频率，以提高仪器的可接受性和日常生活的乐趣。