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Risky Driving Decreases After Being Involved in a Traffic Collision: A Preliminary Analysis

O'Brien, Fearghal and Simons-Morton, Bruce G. (2016) Risky Driving Decreases After Being Involved in a Traffic Collision: A Preliminary Analysis. In: 2016 Transportation Research Board Annual Meeting, 10th-14th January 2016, Washington, DC. (Submitted)

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This study investigated the impact of being involved in a collision on the subsequent driving behavior of young novice drivers aged 16-17. Participants were part of the Naturalistic Driving Study for the Strategic Highway Research Program 2. Each participant’s car was fitted with a data acquisition system that recorded a number of measures during the study period which averaged 472 days. The recorded measures included gravitational force (g-force) events, video footage (from four cameras), and mileage. Trained coders identified which g-force events were associated with “police reportable” and “most severe” collisions. There were 41 participants who were involved in these collisions and, of these, 35 had at least 200 miles of recorded driving before and after their collision. The authors looked at g-force event rates (g-force events per mile driven) at four driving periods: 200 – 100 miles before a collision; 100 – 0 miles before a collision; 0 – 100 miles after a collision; and 100 – 200 miles after a collision. A repeated measures ANOVA found that there was a significant change in g-force event rates across the four time points. Pairwise analyses found that participants’ g-force event rates significantly decreased from the period just prior to the collision to the period after. Future research questions that emerge from these preliminary findings are discussed.

Item Type: Conference or Workshop Item (Poster)
Subjects: B Philosophy. Psychology. Religion > Psychology
Divisions: School of Business > Staff Research and Publications
Depositing User: Caoimhe Ní Mhaicín
Date Deposited: 01 Dec 2016 19:23
Last Modified: 01 Dec 2016 19:23

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