Iranian Version of Manchester Driving Behavior ‎Questionnaire (MDBQ): Psychometric ‎Properties

Since the study of driving behavior is of great importance, we conducted this research to ýinvestigate the psychometric properties and the factorial structure of the Manchester Driver ýBehavior Questionnaire (DBQ) in Iranian drivers.ý
This cross – sectional research was performed on a sample of 800 drivers (of category D and ýC) aged 23- 75 who were referred to Imam Sajjad Centre for drug Addiction Diagnosis. ýManchester Driver Behavior Questionnaire (DBQ), a demographic questionnaire, were ýconducted to the sample. To analyze data, we used factor analysis, internal consistency ýý(Cronbachs’α), split half, and test-retest using SPSS18 Software.ý
As a result of reliability analysis and exploratory factor analysis by principal component and Varimax rotation, we extracted six factors (willful violations, unintentional errors, advertent errors, deliberate mistakes, unintentional violation, and unintentional mistakes, respectively). The factors reliability ranged from 0.65 to 0.75. The test-retest correlations of the DBQ and split- half reliability were 0.56 and 0.77, respectively.
The results revealed that the Persian version of the DBQ in category D and C drivers is a ývalid and reliable tool to assess driving behaviors in Iranian drivers.ý