Musical group interaction (MGI) is a complex social setting requiring certain cognitive skills that may also elicit shared psychological states. We argue that many MGI-specific features may also be important for emotional empathy, the ability to experience another person's emotional state. We thus hypothesized that long-term repeated participation in MGI could help enhance a capacity for emotional empathy even outside of the musical context, through a familiarization with and refinement of MGI empathy-promoting musical components (EPMCs). We tested this hypothesis by designing an MGI programme for primary school children consisting of interactive musical games implementing various EPMCs. We ran the programme for an entire school year and compared the emotional empathy of MGI children to control children using existing and novel measures of empathy before and after the programme. Our results support our hypothesis: MGI children showed higher emotional empathy scores after the study compared to its beginning, and higher scores than control children at the end of the study. These findings shed new light on the emotional processes involved in musical interaction and highlight the remarkable potential of MGI for promoting positive social-emotional capacities such as empathy.

A long-standing question within the robotics community is about the degree of human-likeness robots ought to have when interacting with humans. We explore an unexamined aspect of this problem: how people empathize with robots along the anthropomorphic spectrum. We conducted an experiment that measured how people empathized with robots shown to be experiencing mistreatment by humans. Our results indicate that people empathize more strongly with more human-looking robots and less with mechanicallooking robots.

Inter-personal synchronization is important for performing many cooperative tasks. Notably, synchrony has also been shown to have considerable positive social influences, possibly mediated by synchrony-induced changes in social attitude such as an increased sense of similarity and affiliation between interacting individuals. This effect has been demonstrated in adults, but it is unknown whether synchrony might have a similar impact on the social attitudes of children. We thus set to directly examine the influence of synchronous rhythmic interaction on perceived similarity and closeness in pairs of 8–9 year old children. We found that children who had participated in a synchronous interaction regarded their interacting partner as more similar and closer to themselves than children who had not interacted at all or who had taken part in an asynchronous interaction. These findings reveal that synchronous interaction can positively alter social attitudes between interacting children, suggesting a potential mechanism by which synchrony may enhance positive social interaction through attitudinal shift.

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