Fig. 10
From: Driver behavior while using Level 2 vehicle automation: a hybrid naturalistic study
Secondary Task Engagement – pairwise comparisons for Condition, collapsed across Week. Significant contrasts were observed in the Task Aggregate, Radio Listening, and Text Messaging tasks, these are indicated by asterisks such that p < .05*, p < .01**, p < .001***. The Y axis indicates the percentage of time that any of the tasks were active. In the case of the Task Aggregate, the observable percentages over 100 indicate that that on average more than 1 task was active at any given time