Tangible Immersive Trauma Simulation: Is Mixed Reality the next level of medical skills training?
説明

In medical simulation training two approaches are currently rather disjunct: realistic manikins are used to teach physical skills and procedures and VR systems are used to train situation assessment and decision making. We propose a mixed reality approach, which allows trainees to use real tools and their hands when interacting with a physical manikin overlaid with a responsive virtual avatar. In close exchange with first responder organizations, we developed and evaluated an MR training scenario. In the scenario, users can talk to injured people in a car accident, assess the threat of the environment, and utilize real medical equipment. Participants experienced high levels of physical- and self-presence, increased stress levels, and reported a high technology acceptance. The proposed main requirements of first responders regarding haptic multi-sensory skill training in MR and the lessons learned from the workshop aim to guide the design of training solutions for medical training in MR.

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DreamVR: Curating an Interactive Exhibition in Social VR Through an Autobiographical Design Study
説明

Virtual exhibitions have long been regarded as an extension of information delivery for physical exhibitions. However, what virtual exhibitions can offer audiences as a novel experience independently from physical exhibitions has been largely unexplored. In this study, we aim to understand the promises and challenges of experiencing and curating exhibitions in VR by interviewing nine expert curators. Drawing from expert insights, we summarized a set of design guidelines to inform what we can learn and adapt from physical exhibitions when curating in VR. Then, using an autobiographical design approach, we curated an interactive exhibition in VRChat to explore novel interaction techniques. We also hosted an open tour guide in the user study to validate our design guidelines with thirty participants. Results show that our approach of curating an exhibition in VRChat provided the participants with engaging and novel experiences interacting with the exhibits and other audiences.

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Be Our Guest: Intercultural Heritage Exchange through Augmented Reality (AR)
説明

This paper explores how interactive applications can help mitigate the adversity of facing cultural differences between migrants and the host community, and between migrants of diverse backgrounds to foster intercultural exchange. Based on literature about situated cognition, immersive theater, and affordance, we designed and built \textit{Be Our Guest}: an augmented reality application where a user is invited to the houses of people from different cultures and is asked to help with one of their cultural rituals around simple everyday objects. We detail the various phases we took to collect the cultural stories and construct the application. We then report the results of a user study with the developed application. Our findings show that participants were easily immersed in the augmented space due to the app's narrative, visuals, and interactive nature. Moreover, they enjoyed exploring cultural rituals, including their own, and felt more confident connecting with people from other cultures.

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"Picture the Audience...": Exploring Private AR Face Filters for Online Public Speaking
説明

Faced with public speaking anxiety, one common piece of advice is to picture the audience in a new light, using your mind’s eye. With Augmented Reality (AR) face filters, it becomes possible to literally change how one sees oneself or others. In this paper, we explore privately applied AR filters during online public speaking. Private means that these effects are only visible to the speaker. To investigate this possibly controversial concept, we conducted an online survey with 100 respondents to gather a diverse set of initial impressions, possible boundaries, and guidelines. Following this, we built a prototype of a private AR web-based video-calling application, and pilot-tested it with 16 participants to gain more in-depth insights. Based on our results, we outline key user perspectives and opportunities for the private application of AR face filters during online public speaking and discuss them in the context of previous literature on this topic.

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Towards Leveraging AI-based Moderation to Address Emergent Harassment in Social Virtual Reality
説明

Extensive HCI research has investigated how to prevent and mitigate harassment in virtual spaces, particularly by leveraging human-based and Artificial Intelligence (AI)-based moderation. However, social Virtual Reality (VR) constitutes a novel social space that faces both intensified harassment challenges and a lack of consensus on how moderation should be approached to address such harassment. Drawing on 39 interviews with social VR users with diverse backgrounds, we investigate the perceived opportunities and limitations for leveraging AI-based moderation to address emergent harassment in social VR, and how future AI moderators can be designed to enhance such opportunities and address limitations. We provide the first empirical investigation into re-envisioning AI's new roles in innovating content moderation approaches to better combat harassment in social VR. We also highlight important principles for designing future AI-based moderation incorporating user-human-AI collaboration to achieve safer and more nuanced online spaces.

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"We Cried on Each Other's Shoulders": How LGBTQ+ Individuals Experience Social Support in Social Virtual Reality
説明

Although social support can be a vital component of gender and sexual identity formation, many LGBTQ+ individuals often lack offline social networks for such support. Traditional online technologies also reveal several challenges in providing LGBTQ+ individuals with effective social support. Therefore, social VR, as a unique online space for immersive and embodied experiences, is becoming popular within LGBTQ+ communities for supportive online interactions. Drawing on 29 LGBTQ+ social VR users' experiences, we investigate the types of social support LGBTQ+ users have experienced through social VR and how they leverage unique social VR features to experience such support. We provide one of the first empirical evidence of how social VR innovates traditional online support mechanisms to empower LGBTQ+ individuals but leads to new safety and equality concerns. We also propose important principles for rethinking social VR design to provide all users, rather than just the privileged few, with supportive experiences.

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