Table 3. Parameters of the clusters provided by the k-mean algorithm for the category Coast. ∗∗∗ indicates a significant difference (t-test, p < .001) between the cluster in term for FD or SA. (ns) indicates that differences were not significant.
| FD (ms) | SA(t − 1) | Number of cases | % | |
| Cluster 1 | 169.36 | 10.84 | 4,185 | 29.69 |
| Cluster 2 | 168.41(ns) | 2.47∗∗∗ | 9,907 | 70.3 |
| FD (ms) | SA(t + 1) | Number of cases | % | |
| Cluster 1 | 167.9 | 10.92 | 4,428 | 29.49 |
| Cluster 2 | 170.03(ns) | 2.47∗∗∗ | 10,587 | 70.50 |