Table 4.
Participant-level comparisons of hand coding vs. ARKit classification
| Participant | Total eye-tracking samples | % agreement | χ 2 (df=4) | p-value | Cramer’s V | Cohen’s κ |
|---|---|---|---|---|---|---|
| Fam1 | 3079 | 92.1 | 2032.0 | <.001 | .812 | .807 |
| Fam2 | 3294 | 78.7 | 1271.8 | <.001 | .621 | .585 |
| Fam3 | 3827 | 27.1 | 11.1 | <.001 | .058 | .018 |
| Fam4 | 3109 | 96.9 | 2694.0 | <.001 | .931 | .931 |
| Fam5 | 3077 | 95.1 | 2462.8 | <.001 | .895 | .893 |
| Fam6 | 3322 | 88.7 | 1362.5 | <.001 | .640 | .624 |
| Fam7 | 3347 | 91.2 | 2181.6 | <.001 | .807 | .807 |
| Fam8 | 3289 | 89.4 | 2090.8 | <.001 | .797 | .790 |
| Fam9 | 3069 | 52.7 | 294.6 | <.001 | .310 | .199 |
| Fam10 | 3356 | 60.3 | 406.5 | <.001 | .348 | .224 |
|
| ||||||
| LwL1 | 3,330 | 75.6 | 2521.2 | <.001 | .615 | .601 |
| LwL2 | 3,139 | 93.2 | 4243.8 | <.001 | .822 | .877 |
| LwL3 | 3,426 | 93.5 | 5004.4 | <.001 | .855 | .890 |
| LwL4 | 3,164 | 40.2 | 500.5 | <.001 | .218 | .111 |
| LwL5 | 2,936 | 92.0 | Fisher’s exact test p<.001 | .849 | ||
| LwL6 | 3,130 | 77.6 | 3069.9 | <.001 | .700 | .664 |
| LwL7 | 1,950 | 75.7 | 822.2 | <.001 | .459 | .468 |
| LwL8 | 3,365 | 57.5 | 1571.0 | <.001 | .483 | .374 |
| LwL9 | 3,350 | 78.2 | 1943.5 | <.001 | .539 | .505 |
| LwL10 | 3,357 | 87.3 | 4476.6 | <.001 | .817 | .806 |
Note. A significant chi-square rejects the null hypothesis that the two methods are independent from each other; that is, there is an association between the methods.