Table 4 Pairwise comparisons from linear mixed effect models predicting 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 | |
|---|---|---|---|---|
Task | Automation-L2 vs. Experimental Control | − 1.47 | 872 | .308 |
Automation-L2 vs. Naturalistic Control | − 5.41 | 872 | .000*** | |
Experimental Control vs. Naturalistic Control | − 5.41 | 872 | .000*** | |
Radio | Automation-L2 vs. Experimental Control | − 2.61 | 872 | .025* |
Automation-L2 vs. Naturalistic Control | − 4.35 | 872 | .000*** | |
Experimental Control vs. Naturalistic Control | 1.67 | 872 | .218 | |
Texting | Automation-L2 vs. Experimental Control | − 1.14 | 872 | .492 |
Automation-L2 vs. Naturalistic Control | − 2.55 | 871 | .029* | |
Experimental Control vs. Naturalistic Control | 1.38 | 872 | .352 | |
Phone Conversation | Automation-L2 vs. Experimental Control | 1.43 | 874 | .325 |
Automation-L2 vs. Naturalistic Control | .371 | 873 | .927 | |
Experimental Control vs. Naturalistic Control | 1.07 | 873 | .534 | |
Navigation | Automation-L2 vs. Experimental Control | − .822 | 872 | .689 |
Automation-L2 vs. Naturalistic Control | − .277 | 872 | .959 | |
Experimental Control vs. Naturalistic Control | − .551 | 872 | .846 | |
Video | Automation-L2 vs. Experimental Control | .264 | 872 | .962 |
Automation-L2 vs. Naturalistic Control | − .542 | 872 | .851 | |
Experimental Control vs. Naturalistic Control | .798 | 872 | .704 | |