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- Title
Reliability of the triangle completion test in the real-world and in virtual reality.
- Authors
McLaren, Ruth; Chaudhary, Shikha; Rashid, Usman; Ravindran, Shobika; Taylor, Denise
- Abstract
Background: The triangle completion test has been used to assess egocentric wayfinding for decades, yet there is little information on its reliability. We developed a virtual reality (VR) based test and investigated whether either test of spatial navigation was reliable. Objective: To examine test-retest reliability of the real-world and VR triangle completion tests. A secondary objective was to examine the usability of the VR based test. Materials and methods: Thirty healthy adults aged 18-45 years were recruited to this block randomized study. Participants completed two sessions of triangle completion tests in the real-world and VR on the same day with a break between sessions. Results: In both test versions distance from the endpoint and angle of deviation showed poor test-retest reliability (r < 0.5). Distance traveled had moderate reliability in both the real-world and VR tests (r = 0.55 95% CI [0.23, 0.76]; r = 0.66 95% CI [0.4, 0.83, respectively]). The VR triangle test showed poor correlation with the real-world test. Conclusion: The triangle completion test has poor test-retest reliability and demonstrates poor concurrent validity between the real-world and VR. Nevertheless, it was feasible to translate a real-world test of spatial navigation into VR. VR provides opportunities for development of clinically relevant spatial navigation tests in the future.
- Subjects
VIRTUAL reality; TRIANGLES; STATISTICAL reliability; TEST validity; WAYFINDING
- Publication
Frontiers in Human Neuroscience, 2022, Vol 16, p1
- ISSN
1662-5161
- Publication type
Article
- DOI
10.3389/fnhum.2022.945953