Development of a Driving Anger Scale

A cluster analysis of responses from more than 1500 college students to 53 potentially angering driving-related situations yielded a 33-item driving anger scale (alpha reliability = .90) with six reliable subscales involving hostile gestures, illegal driving, police presence, slow driving, discourtesy, and traffic obstructions. Subscales all correlated positively, suggesting a general dimension of driving anger as well as anger related to...