Presence measurements are traditionally using a variety of subjective and objective measures. However, constraints often result in subjective measurements using questionnaires as a key method of data collection. In this paper we present a study of 44 participants of a collaborative augmented reality game known as TimeWarp which used both subjective and objective behavioral measures where both video recordings and self-reports about feelings of presence were compared. We further investigated the influence of the collaborative nature of the game and of subjectively perceived interactivity on perceived presence. Our findings indicate that pointing behavior and verbal responses to virtual content within an augmented reality scene are correlated negatively to sense of presence. Our results suggest that certain behavioral measures correlate with subjective feelings of presence and can predict the latter in the augmented reality game. With regard to collaborative game play and interactivity on presence we found no influence for collaborative gameplay, however, the interaction possibilities perceived by the participants predicted their experience of social presence with the virtual characters in the game. Implications for presence research are discussed.
Pervasive gaming is a new form of multimedia entertainment that extends the traditional computer gaming experience out into the real world. Through a combination of personal devices, positioning systems and other multimedia sensors, combined with wireless networking, a pervasive game can respond to a player's movements and context and enable them to communicate with a game server and other players. We review recent examples of pervasive games in order to explain their distinctive characteristics as multimedia applications. We then consider the challenge of scaling pervasive games to include potentially very large numbers of players. We propose a new approach based upon a campaign model in which individuals, local groups and experts draw on a combination of pervasive games, online services and broadcasting to take part in national or even global events. We discuss the challenges that this raises for further research.
Augmented/Virtual Reality (AR/VR) is still a fragmented space to design for due to the rapidly evolving hardware, the interdisciplinarity of teams, and a lack of standards and best practices. We interviewed 26 professional AR/VR designers and developers to shed light on their tasks, approaches, tools, and challenges. Based on their work and the artifacts they generated, we found that AR/VR application creators fulfll four roles: concept developers, interaction designers, content authors, and technical developers. One person often incorporates multiple roles and faces a variety of challenges during the design process from the initial contextual analysis to the deployment. From analysis of their tool sets, methods, and artifacts, we describe critical key challenges. Finally, we discuss the importance of prototyping for the communication in AR/VR development teams and highlight design implications for future tools to create a more usable AR/VR tool chain.
CCS CONCEPTS• Software and its engineering → Collaboration in software development; • Human-centered computing → Human computer interaction (HCI); Interaction techniques.
This paper charts the distinctive challenges of designing mobile experiences for cyclists and presents two studies of mobile cyclebased experiences: one a heritage tour; the other an exploration of a city at dusk involving recording and listening to personal stories. To understand the cyclists" experiences questionnaires, interviews and observations are drawn on to derive eight lessons for designing cycle-based interaction including: cycling proficiency, physicality, impact of the environment, media and hardware design, collaboration, and safety. The conclusion is that design has to respect the distinctive nature of cycling as a mode of transport and needs to carefully interweave moments of interaction with it.
In this article, we compare a Google Tango tablet with the Microsoft HoloLens smartglasses in the context of the visualisation and interaction with Building Information Modeling data. A user test was conducted where 16 participants solved four tasks, two for each device, in small teams of two. Two aspects are analysed in the user test: the visualisation of interior designs and the visualisation of Building Information Modeling data. The results show that the Tango tablet is surprisingly preferred by most users when it comes to collaboration and discussion in our scenario. While the HoloLens offers hands-free operation and a stable tracking, users mentioned that the interaction with the Tango tablet felt more natural. In addition, users reported that it was easier to get an overall impression with the Tango tablet rather than with the HoloLens smartglasses.
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