Shamus P. Smith
Collaborative evaluation of a haptic-based medical virtual environment
Smith, Shamus P.; Todd, Susan
Authors
Susan Todd
Abstract
There is increasing use of virtual environments for medical training applications. Simulated medical environments allow clinical staff to practise medical procedures without endangering patients. Haptic devices are a key technology in many such systems adding a sense of touch to virtual interactions allowing healthcare practitioners to practise and test their clinical skills in life-like simulators. However, evaluating haptic-based virtual environments can be difficult as gathering user feedback on haptic interaction by traditional methods, such as post-session interviews and questionnaires, can be error-prone if users misremember their experiences. This paper describes the use of cooperative evaluation, a modified think aloud protocol, to evaluate the usability of a commercial haptic-based medical virtual environment called Virtual Veins. An evaluation was performed with 3rd year medical students using cooperative evaluation to evaluate Virtual Veins in a target deployment environment. Although the cooperative evaluation was successful in eliciting a number of usability issues, there were few haptic related verbalisations from participants. In haptic-based systems the evaluator does not share the sensory feedback with the participant. This can be problematic in questioning the participants about their haptic experience and encouraging haptic-specific comments.
Citation
Smith, S. P., & Todd, S. (2007). Collaborative evaluation of a haptic-based medical virtual environment. In Proceedings of the 4th INTUITION International Conference on Virtual Reality and Virtual Environments, 4-5 October 2007, Athens (102-110)
Conference Name | 4th INTUITION International Conference on Virtual Reality and Virtual Environments |
---|---|
Conference Location | Athens |
Publication Date | Oct 1, 2007 |
Deposit Date | Jan 15, 2009 |
Publicly Available Date | Apr 8, 2009 |
Pages | 102-110 |
Book Title | Proceedings of the 4th INTUITION International Conference on Virtual Reality and Virtual Environments, 4-5 October 2007, Athens. |
Keywords | Virtual environments, Haptics, Evaluation, Medical training. |
Publisher URL | http://www.intuition2007.org/ |
Files
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