Document (#30162)

Author

Modjeska, D.
Chignell, M.

Title

Individual differences in exploration using desktop VR

Source

Journal of the American Society for Information Science and technology. 54(2003) no.3, S.216-228

Year

2003

Abstract

Modjeska and Chignell attempt to determine whether virtual reality desk top environments have adverse effects on people with low spatial ability and difficulty in learning information structures. Both three dimensional visualization and representation by a series of 2 dimensional birds-eye snapshots were tested using the CityScape algorithm and VRML files viewed with a CosmoPlayer browser plug-in on twenty student subjects with web browsing experience. Subjects were divided by their scores on the Minnesota Paper Form Board test for spatial ability, the number of trials they attempted, their score on a local structure test, and their self reported sense of presence, ease of use, efficiency, and enjoyment. Navigational logs provided distance traveled as a percent of virtual world radius, average circle of proximity to target, and number of exits from the correct zone of proximity. Presence, ease of use, and efficiency correlate with enjoyment, and the objective measures correlate with each other but not the subjective measures. Perceived efficiency correlated with number of errors. A factor analysis produced an objective measure factor which was affected by both level of spatial ability and by world design, and a subjective measure factor which was not so affected. Structural learning ability, as measured by ability to retain a hierarchical information structure after browsing it, significantly effected performance but no performance advantage could be shown for either visualization scheme.

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