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Seeing the world through the eyes of an avatar? Comparing perspective taking and referential coding
Sophia von Salm-Hoogstraeten1, Katharina Bolzius1, Jochen Müsseler1
1Department of Work and Cognitive Psychology.
Users adopt virtual avatars' spatial positions by using the avatar's hand position as a reference point, not solely its visual perspective. This referential coding mechanism explains avatar perspective-taking limits.
Area of Science:
- Cognitive Psychology
- Human-Computer Interaction
- Virtual Reality
Background:
- Users often adopt virtual avatars' perspectives in virtual environments.
- Previous research assumed users see through the avatar's eyes.
- This study investigates alternative mechanisms for spatial representation.
Purpose of the Study:
- To compare perspective-taking and referential coding assumptions in virtual avatar interactions.
- To determine the primary mechanism users employ when adopting an avatar's spatial position.
- To explore the influence of reference points on spatial coding in virtual environments.
Main Methods:
- A spatial compatibility task was employed to assess user responses.
- Experiment 1 manipulated avatar visual perspective and hand position.
- Experiment 2 examined the effect of mismatched participant and avatar hand positions.
Main Results:
- Avatar hand position, not visual perspective, was the key factor in spatial coding (Experiment 1).
- Referential coding by avatar hands ceased when participant hand positions did not align (Experiment 2).
- Findings suggest referential coding underlies avatar perspective-taking.
Conclusions:
- Avatar perspective-taking relies on referential coding, particularly using the avatar's hand position as a reference.
- The limits of referential coding were demonstrated when participant and avatar hand positions diverged.
- Future research on perspective-taking must account for referential coding mechanisms.
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