Table 5 Descriptive statistics across visualization technologies in Experiment 2
Variable | IVR | AR | 2D Screen |
|---|---|---|---|
Movement duration normalized (s/m) | 11.99 (± 1.73) | 12.6 (± 1.1) | 19.39 (± 7.89) |
Trajectory straightness ratio (n.u.) | 1.58 (± 0.19) | 1.58 (± 0.17) | 1.98 (± 0.3) |
Peak velocity (m/s) | 0.29 (± 0.06) | 0.28 (± 0.06) | 0.26 (± 0.06) |
Velocity peaks number (n.u.) | 4.92 (± 1.41) | 4.83 (± 0.97) | 8.72 (± 4.79) |
Movement onset (s) | 0.87 (± 0.18) | 0.93 (± 0.1) | 1.58 (± 0.87) |
Counting accuracy (%) | 95.83 (± 4.17) | 93.33 (± 5.78) | 93.75 (± 4.89) |
Cognitive load—RTLX\(^{1}\) | 22.81 (± 22.5) | 26.35 (± 22.21) | 29.95 (± 26.02) |
Usability–SUS\(^{2}\) | 83.0 (± 13.62) | 69.5 (± 25.15) | 68.5 (± 27.7) |