This seems to miss the point of the study. (At least as portrayed by the article.) The hypothesis was that more impulsive and easily distracted people were mo

This seems to miss the point of the study. (At least as portrayed by the article.) The hypothesis was that more impulsive and easily distracted people were more likely to use a phone while driving. And that such folk would then claim to be better at multitasking to rationalize their behavior. The experiment was to test the first part of this.