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XR-LIVE: Enhancing Asynchronous Shared-Space Demonstrations with Spatial-temporal Assistive Toolsets for Effective Learning in Immersive Virtual Laboratories

Published: 07 April 2022 Publication History

Abstract

An immersive virtual laboratory (VL) could offer flexibility of time and space, as well as safety, for remote students to conduct laboratory activities through online experiential learning. Recording an instructor's demonstration inside a VL is an approach that allows students to learn directly from a demonstration. However, students have to learn from a recording while controlling the playback, which requires attention spent on additional spatial and temporal cues. This additional cognitive load could lead to errors during the laboratory procedure. To address these challenges, we have identified four design requirements to reduce attention load in VLs; namely, organized learning steps, improved student sense of co-presence, reduction of task-instructor split-attention, and learning independent of interpersonal distance. Based on these requirements, we have designed and implemented spatial-temporal assistive toolsets for laboratories in a virtual environment, namely XR-LIVE, to reduce cognitive load and enhance learning in an asynchronous shared-space demonstration, implemented based on the setup of a standard civil engineering laboratory. We also analyzed students' behavior in the VL demonstration to design guidelines applicable to generic VLs.

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            cover image Proceedings of the ACM on Human-Computer Interaction
            Proceedings of the ACM on Human-Computer Interaction  Volume 6, Issue CSCW1
            CSCW1
            April 2022
            2511 pages
            EISSN:2573-0142
            DOI:10.1145/3530837
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            Published: 07 April 2022
            Published in PACMHCI Volume 6, Issue CSCW1

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            Author Tags

            1. VR in education
            2. asynchronous collaboration
            3. recording
            4. virtual reality

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