The Positive Driver Behavior Scale was developed by Özkan and Lajunen (2005) in order to provide a positive driver behavior dimension to Driver Behavior Questionnaire (Reason, Manstead, Stradling, Baxter, & Campbell, 1990). The aim of the Positive Driver Behavior Scale was to determine the frequency of positive driver behaviors by 14 items, rated on 6–point scale ranging from 1 (never) to 6 (very often). Özkan and Lajunen (2005), in their study conducted with 312 drivers in Ankara, developed this scale as a subscale of the Driver Behavior Questionnaire (DBQ) and they found the alpha reliability coefficient of
positive driver behaviors as .84.
In the present study, the instruction of the original scale was modified in order to assess the degree of change in positive driver behaviors of participants after the accident. The participants were asked to rate whether there was an increase in the frequency of their positive driver behaviors following their accident experience. The rating scale was also changed and the items were rated on 6-point scale ranging from 1 (“I did not experience this increase as a result of the accident”) to 6 (“I experienced this increase to a very great degree”). The internal reliability coefficient of the total scale was calculated only for 187 participants who were driver and answered this scale, and the resulting value was very high (α = .97). The scale is presented in Appendix H.
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