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Quantifying Immersion in Virtual Reality

Quantifying Immersion in Virtual Reality. Randy Pausch Dennis Proffitt George Williams University of Virginia SIGGRAPH 1997. Previous Work. Taxonomies Robinett, Zeltzer Subjective ratings Heeter Fish-tank performance Arthur, McKenna v. Hand-based analysis Chung. Quantifying Immersion.

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Quantifying Immersion in Virtual Reality

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  1. Quantifying Immersionin Virtual Reality Randy Pausch Dennis Proffitt George Williams University of Virginia SIGGRAPH 1997

  2. Previous Work • TaxonomiesRobinett, Zeltzer • Subjective ratings Heeter • Fish-tank performance Arthur, McKenna • v. Hand-based analysis Chung

  3. Quantifying Immersion • A sense of “being there” • Justify VR research • Motivating factors • Search for possibly existent item • Control with head v. hand • Tactile input v. implied The subject “room”.

  4. The Experiment • VR mode • Input: 6DOF tracker • View: stereo vision headset, moveable • Desktop mode • Input: 6DOF tracker • View: stereo vision headset, stationary • Target character (possibly) embedded in camouflage Look familiar?

  5. The Results • Target searching: no VR advantage • No target present: 41% decrease • VR data was predictable

  6. Transfer Effects • VR training improves spatial cognition • Desktop use degrades “real-world” performance

  7. Contributions • Indication of improved short-term memory (FoR) • Improved traditional display use • Suggestion 2D world limits spatial cognition • Complement to definition of immersion

  8. Possible Expansions • Real-world manipulation (Voodoo dolls) • PUSH device • Further research on education through VR manipulation for 2D tasks

  9. Secret Slide • Is it fair to equate the “desktop” experience with actual use? • What is the relation in importance between target being present and not? • Would more detailed tasks preserve the same trends?

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