Table 2.
| a Mixed regression effects models for perceived tilt angle. | |||
|---|---|---|---|
| Coefficient | Estimate ± SE | z | p-value |
| Intercept* (A + Si) | 13.2 ± 0.87° | 15.3 | <0.01 |
| Actual radius (β1) | 0.025 ± 0.06°/cm | 0.58 | 0.56 |
| Viewing radius (β2) | −0.009 ± 0.025°/cm | −0.26 | 0.79 |
| Y-axis nulling* (β3) | 2.05 ± 0.53° | 3.9 | <0.01 |
| b Mixed regression effects models for perceived horizontal translation. | |||
|---|---|---|---|
| Coefficient | Estimate ± SE | z | p-value |
| Intercept (A + Si) | 5.28 ± 0.78 cm | 6.7 | <0.01 |
| Actual radius (β1) | 0.024 ± 0.02 cm/cm | 1.1 | 0.26 |
| Viewing radius* (β2) | 0.12 ± 0.012 cm/cm | 9.96 | <0.01 |
| Y-axis nulling* (β3) | −3.76 ± 1.2 cm | −2.78 | <0.01 |
| c Mixed regression effects models for perceived radius. | |||
|---|---|---|---|
| Coefficient | Estimate ± SE | z | p-value |
| Intercept (A + Si) | −0.096 ± 1.6 cm | −0.059 | 0.953 |
| Actual radius* (β1) | 0.323 ± 0.05 cm/cm | −1.410 | <0.01 |
| Viewing radius* (β2) | 0.476 ± 0.03 cm/cm | 6.229 | <0.01 |
| Y-axis nulling (β3) | −4.32 ± 3.11 cm | −1.41 | 0.159 |
Significant effects (p<0.05) are marked *. SE = Standard error of estimate.
Significant effects are marked *. SE = Standard error of estimate.