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PeerGPT: Probing the Roles of LLM-based Peer Agents as Team Moderators and Participants in Children’s Collaborative Learning

In children’s collaborative learning, effective peer conversations can significantly enhance the quality of children’s collaborative interactions. The integration of Large Language Model (LLM) agents into this setting explores their novel role as peers, assessing impacts as team moderators and participants. We invited two groups of participants to engage in a collaborative learning workshop, where they discussed and proposed conceptual solutions to a design problem. The peer conversation transcripts were analyzed using thematic analysis. We discovered that peer agents, while managing discussions effectively as team moderators, sometimes have their instructions disregarded. As participants, they foster children’s creative thinking but may not consistently provide timely feedback. These findings highlight potential design improvements and considerations for peer agents in both roles.[......]

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MRehab: A Mixed Reality Rehabilitation System Supporting Integrated Speech and Hand Training

Integrated speech and hand-motor training is an effective post-stroke rehabilitation method. However, few interactive systems and assistive technologies were developed in this field. Driven by this challenge, we leverage Mixed Reality technology, which merges immersive virtual scenarios with physical hands-on tools in the real world, to provide patients with multi-modal interactions and engaging training experiences. Following a user-centered design approach, we first interviewed seven therapists to identify user requirements and design considerations. We further designed MRehab, an interactive rehabilitation system that allows patients to regain speech and hand skills through MR scenarios that depict daily living activities. We conducted a preliminary user test with 12 patients and 5 therapists to validate the feasibility and understand the user experience with MRehab. The results confirmed its feasibility for hand-motor training. Additionally, the patients expressed high motivation, engagement, and a positive attitude toward using MRehab. Our findings demonstrate the potential of MR technology in integrated speech and hand function rehabilitation training.[......]

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