NDLI: Beyond user experimentation: notational-based systematic evaluation of interaction techniques in virtual reality environments

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Beyond user experimentation: notational-based systematic evaluation of interaction techniques in virtual reality environments

Content Provider	Springer Nature Link
Author	Dubois, Emmanuel Nedel, Luciana P. Freitas, Carla M. Dal Sasso. Jacon, Liliane
Copyright Year	2005
Abstract	Despite the increasing number of interaction devices for virtual reality (VR) applications (e.g. data-gloves, space balls, data-suits and so on), surprisingly very little attention has been given to the evaluation of VR interaction techniques or more generally to the usability of virtual reality environments (VRE). The main reasons for these limited efforts are probably that empirical user testing with VREs is difficult and time-consuming and ergonomic rules or criteria and traditional HCI tools and methods are not well suited for VRE. Alternatively, the specification of interaction based on a formal method or notation provides a precise and unambiguous description that can be used to reason the user’s actions while interacting with a VRE. In this paper, we propose a new approach to design interaction techniques in VRE, based on the use of a formal specification language: the ASUR notation. In the early stages of system design, time and effort are reduced by assisting the designers in considering alternative solutions and anticipating usability issues. To better explain the proposed methodology, we report an evaluation of selection and manipulation techniques in a virtual environment based on a chess game. The evaluation has been carried out in two ways: predictively, with the help of the ASUR notation, and empirically via user experiments. We present the outcomes of the empirical studies and demonstrate that the reasoning with the ASUR notation leads to similar but also results complementary to those obtained with the experiments.
Starting Page	118
Ending Page	128
Page Count	11
File Format	PDF
ISSN	13594338
Journal	Virtual Reality
Volume Number	8
Issue Number	2
e-ISSN	14349957
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-02-23
Publisher Place	London
Access Restriction	Subscribed
Subject Keyword	Mixed reality Virtual reality 3D interaction Interaction design notation User experimentation
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Human-Computer Interaction Software

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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