Aggressive Driving Style Questionnaire – ADSQ
A 16-item self-report measure designed to assess aggressive driving styles across instrumental, reactive, proactive, and interpersonal dimensions.
Scale Development & Technical Details
Scale Overview
The Aggressive Driving Style Questionnaire – ADSQ was developed by Steven Love, Yolinda Indrawan, & Grégoire S. Larue (2024). It is designed to measure Aggressive Driving Style. The scale is intended for use with Adult drivers.
Scale Structure
This instrument consists of 16 items organized into 4 factors/subscales: Instrumental Aggression, Reactive Aggression, Proactive Aggression, Interpersonal Aggression.
| Factor / Subscale | Items | N |
|---|---|---|
| Instrumental Aggression | 1,2,3,4 | 4 |
| Reactive Aggression | 5,6,7,8 | 4 |
| Proactive Aggression | 9,10,11,12 | 4 |
| Interpersonal Aggression | 13,14,15,16 | 4 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Never, 2 = Rarely, 3 = Sometimes, 4 = Often, 5 = Always.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Instrumental Aggression (α = 0.78), Reactive Aggression (α = 0.73), Proactive Aggression (α = 0.81), Interpersonal Aggression (α = 0.89), Total ADSQ (α = 0.91).
Administration
The scale is self-administered and typically takes approximately 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.