Aberrant driving as mediator: driving anger patterns and crashes in taxi drivers
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Summary
This study investigates the causal relationships between driving anger, aberrant driving behaviors, and road traffic crashes (RTCs) among professional taxi drivers in Qatar. The research is motivated by the high prevalence of RTCs involving taxi drivers, who often originate from developing countries with varying road safety cultures and face significant occupational stressors, such as passenger demands and income pressure. While previous studies have largely relied on self-reported crash data, this research addresses a gap by linking subjective psychological assessments with actual police-recorded crash data to determine how driving anger influences crash risk through aberrant behaviors. The methodology involved a survey of 344 professional taxi drivers from Karwa Driving School, the sole public transportation operator in Qatar. Data collection utilized the Driving Anger Scale (DAS) to measure anger responses to provoking scenarios and the Driver Behavior Questionnaire (DBQ) to assess aberrant behaviors, including errors, violations, and lapses. These self-reported measures were combined with objective crash records from the previous four years (2018–2021). The researchers employed exploratory factor analysis to identify the underlying structures of the DAS and DBQ within this specific cultural context. Subsequently, structural equation modeling (SEM) using the PLS algorithm was applied to test direct and indirect causal relationships, treating aberrant driving behaviors as mediators between driving anger and RTCs. The results identified distinct factor structures for both instruments. For driving anger, the "Illegal Driving" component was found to trigger all dimensions of aberrant driving behavior, while "Hostile Gestures" positively correlated with lapses. In the structural model, the "Error" factor from the DBQ was a significant direct predictor of RTCs. Crucially, the study found that aberrant driving behaviors mediated the impact of driving anger on crashes. Specifically, the "Illegal Driving" anger component had a significant indirect effect on RTCs, indicating that anger provoked by observing illegal driving leads to aberrant behaviors, which in turn increase crash likelihood. Demographically, professional driving experience was negatively associated with RTCs, whereas age showed a positive association. The significance of these findings lies in confirming that driving aberration mediates the relationship between driving anger and crashes in a multicultural professional driving population. The study highlights that specific anger triggers, particularly those related to illegal driving by others, are critical precursors to unsafe driving behaviors. These insights provide actionable data for road safety practitioners and driving instructors, suggesting that training programs should focus on helping taxi drivers cope with provoking situations and manage anger to reduce aberrant behaviors and subsequent crash risks.
Key finding
Aberrant driving behaviors mediate the relationship between driving anger and road traffic crashes, with the 'illegal driving' anger component serving as a significant indirect predictor of crashes.
Methodology
survey
Sample size: 344
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via scout_discovery on 2026-05-08.
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | partial | scout | — | — | 2 | 2026-05-08 |
| archive | success | canonical_url | — | — | 10 | 2026-06-06 |
| extract | success | cached | — | — | 3 | 2026-06-10 |
| clean | success | clean | — | — | 1 | 2026-06-04 |
| chunk | success | chunk | — | — | 1 | 2026-06-04 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-04 |
| enrich | success | semantic_scholar | — | — | 2 | 2026-06-04 |
| promote | success | — | — | — | 1 | 2026-06-04 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 2 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 15 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
Topics
Ranked by relevance to this paper. Hover a topic for its definition.
- pre crash contributing factors
- sex gender
- human error taxonomy
- anger road rage
- cultural cross national
- novice drivers
Information type
What kind of knowledge this paper contributes, grouped by family — independent of topic (what it is about) and method (how it was studied).
- Empirical Findings: crash risk outcomes, observational prevalence
- Theoretical Contribution: computational model