Table 3.

Summary of the comparisons between the 6-month recall session and the first and last training sessions (Wilcoxon rank-sum tests).

	6-month recall vs. session 5		6-month recall vs. session 1
Variable	Z	p-value	Z	p-value
Speeding	2.66	0.007	1.53	0.124
Weaving	0.15	0.878	1.92	0.054
Omission to verify a blind spot	2.03	0.042	0.57	0.563
Visual search at intersections with stop sign	2.2	0.027	0.11	0.905
Vehicle control at intersections with stop sign	1.12	0.262	0.17	0.858
Omission to indicate lane change	2.66	0.007	0.84	0.400
Tailgating	2.366	0.017	0.254	0.798
Vehicle control at intersections with a traffic light	1.21	0.225	0.314	0.753