Table 6 Pairwise comparisons from linear mixed effect models predicting different modalities of secondary task behaviors by condition collapsed across week
From: Driver behavior while using Level 2 vehicle automation: a hybrid naturalistic study
Pairwise Comparisons | t ratio | df | p value | |
|---|---|---|---|---|
Auditory Verbal | Automation-L2 vs. Experimental Control | 1.15 | 882 | .483 |
Automation-L2 vs. Naturalistic Control | − 0.69 | 878 | .769 | |
Experimental Control vs. Naturalistic Control | 1.83 | 880 | .160 | |
Visual Manual | Automation-L2 vs. Experimental Control | − 0.72 | 872 | .750 |
Automation-L2 vs. Naturalistic Control | − 2.34 | 872 | .051 | |
Experimental Control vs. Naturalistic Control | 1.58 | 872 | .254 | |
Smartphone | Automation-L2 vs. Experimental Control | − 0.58 | 872 | .834 |
Automation-L2 vs. Naturalistic Control | − 2.08 | 872 | .095 | |
Experimental Control vs. Naturalistic Control | 1.47 | 872 | .305 | |
Vehicle IVIS | Automation-L2 vs. Experimental Control | − 0.58 | 872 | .834 |
Automation-L2 vs. Naturalistic Control | − 2.08 | 872 | .095 | |
Experimental Control vs. Naturalistic Control | 1.47 | 872 | .305 | |