Table 1 Hierarchical linear modeling results predicting lane maintenance.
Predictors | Step 1 | Step 2 | Step 3 | Step 4 | ||||
|---|---|---|---|---|---|---|---|---|
Est. | SE | Est. | SE | Est. | SE | Est. | SE | |
Fixed effects | ||||||||
 Intercept | 0.000 | 0.088 | 0.000 | 0.088 | 0.256 | 0.119 | 0.143 | 0.120 |
 Distraction |  |  | -0.215 | 0.021 | -0.215 | 0.021 | -0.215 | 0.021 |
 AVG Exp. (1to5hrs) |  |  |  |  | -0.460 | 0.198 | -0.294 | 0.197 |
 AVG Exp. (> 5 h) |  |  |  |  | -0.613 | 0.226 | -0.285 | 0.241 |
 AVG Proficiency |  |  |  |  |  |  | -0.287 | 0.092 |
Random effects (SD) | ||||||||
 Intercept | 0.895 | 0.950 | 0.881 | 0.843 | ||||
 Distraction |  | 0.285 |  |  | ||||
 Within-Person Variance (ICC) | 80% |  |  |  | ||||