Table 2. Descriptive statistics of depth displacement (DD) and maximum grip aperture (MGA).
| Binocular | Monocular | |||||||||
| Physical size | near/small | near/small | far/big | far/big | near/small | near/small | far/big | far/big | ||
| Familiar | near/small | far/big | far/big | near/small | near/small | far/big | far/big | near/small | ||
| DD | Mean | 317.45 | 321.43 | 377.39 | 373.27 | 327.26 | 343.76 | 378.01 | 341.76 | |
| Std | 13.95 | 14.49 | 13.72 | 15.57 | 8.40 | 14.71 | 12.56 | 20.15 | ||
| 95% CI | Lower | 310.02 | 313.71 | 370.08 | 364.97 | 322.79 | 335.92 | 371.32 | 331.02 | |
| Upper | 324.88 | 329.14 | 384.70 | 381.56 | 331.74 | 351.60 | 384.70 | 352.49 | ||
| MGA | Mean | 96.48 | 97.50 | 103.99 | 104.28 | 103.79 | 108.15 | 108.28 | 106.58 | |
| Std | 6.06 | 5.90 | 5.47 | 5.73 | 9.26 | 9.59 | 10.41 | 9.58 | ||
| 95% CI | Lower | 93.25 | 94.36 | 101.08 | 101.22 | 98.86 | 103.04 | 102.73 | 101.48 | |
| Upper | 99.71 | 100.64 | 106.91 | 107.33 | 108.73 | 113.26 | 113.82 | 111.69 | ||
Values are presented for baseline and corresponding perturbation trials in mm: baseline near (original Bluebell), perturbation near (small Swan replica), baseline far (original Swan), perturbation far (big Bluebell replica).