| Driving task Cognitive task level | No driving | Driving | ||||||
| Easy | Hard | Easy | Hard | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| Novice | 100.00 | 0.00 | 90.00 | 8.16 | 96.00 | 6.15 | 76.00 | 7.64 |
| Experienced | 100.00 | 0.00 | 89.50 | 7.97 | 99.50 | 1.58 | 82.50 | 8.58 |