Promoting Sustainable and Safe Mobility: Psychometric Validation of the MORDE Scale for Measuring Moral Disengagement in Driving Contexts
Abstract
1. Introduction
1.1. The Multifaceted Nature of Road Traffic Accidents
1.2. Theoretical Frameworks for Understanding Driver Behavior
1.3. Moral Disengagement Theory and Its Applications
1.4. Instruments to Measure Moral Disengagement in the Driving Context
1.5. Study Objectives and the MORDE Scale
2. Materials and Methods
2.1. Participants
2.2. Procedure
2.3. Measures
2.3.1. Moral Disengagement
- General Moral Disengagement
- Instrument Development
- Moral Disengagement in Road Driving Evaluation (MORDE)
2.3.2. Driving Attitudes and Behaviours
- Driving Attitudes Scale (DAS)
- Manchester Driver Behaviour Questionnaire (DBQ)
3. Results
3.1. Data Analysis
3.2. Exploratory and Confirmatory Factor Analyses
3.2.1. Exploratory Factor Analysis
- Factor 1: Normative Justification of Transgressive Driving (Normative Justification), representing cognitive mechanisms that normalize or morally justify risky driving behavior.
- Factor 2: Attribution of Blame and Displacement of Responsibility (Blame Externalization), reflecting tendencies to externalize blame or responsibility onto other road users.
3.2.2. Confirmatory Factor Analysis
Alternative Models
Factor Loadings and Inter-Factor Covariance
Model Fit Indices
Overall Interpretation
3.3. Validity Analyses
3.3.1. Convergent Validity
3.3.2. Predictive and Incremental Validity
- Model 1: Included the General Moral Disengagement Scale (GMD) as the sole predictor.
- Model 2: Added the NJT factor.
- Model 3: Added the ABD factor, thus including both MORDE factors alongside GMD.
3.3.3. Driving Attitudes Scale (DAS)
Positive Attitudes Toward Road Safety (DAS—Positive Dimension)
Negative Attitudes Toward Road Safety (DAS—Negative Dimension)
Driving Violations (DBQ—Violations Subscale)
Errors (DBQ—Errors Subscale)
Lapses (DBQ—Lapses Subscale)
Aggressive Violations (DBQ—Aggressive Violations Subscale)
3.3.4. Summary of Predictive and Incremental Validity
4. Discussion
4.1. Implication for Road Safety: From Individual Assessment to Systematic Prevention
4.2. Advancing Sustainable Mobility Through Psychological Understanding
4.3. Implications for Emerging Transportation Technologies
4.4. Broader Implications and Future Directions
4.5. Theoretical and Practical Implications
4.6. Limitations and Future Directions
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
MORDE | Moral Disengagement in Road Driving Evaluation |
NJT | Normative Justification of Transgressive Driving |
ABD | Attribution of Blame and Displacement of Responsibility |
GMD | General Moral Disengagement |
DBQ | Driver Behaviour Questionnaire |
DAS | Driving Attitudes Scale |
EFA | Exploratory Factor Analysis |
CFA | Confirmatory Factor Analysis |
RMSEA | Root Mean Square Error of Approximation |
CFI | Comparative Fit Index |
TLI | Tucker–Lewis Index |
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N. | Item Content | Factor 1 Normative Justification | Factor 2 Blame Externalization | Uniqueness |
---|---|---|---|---|
1 | Red light due to horn pressure | 0.53 | — | 0.70 |
2 | Minimizing seriousness of rule violations | 0.78 | — | 0.39 |
3 | Cyclists responsible for their own safety | — | 0.63 | 0.62 |
4 | Drivers’ lack of intelligence | — | 0.71 | 0.53 |
5 | Everyone breaks the rules | 0.78 | — | 0.40 |
6 | Running red lights on empty roads | 0.74 | — | 0.51 |
7 | Minimizing disabled parking violations | 0.46 | — | 0.75 |
8 | Reckless motorcyclists | — | 0.58 | 0.58 |
9 | Shared blame for drunk driving accidents | — | 0.41 | 0.84 |
10 | Cyclists as traffic obstacles | — | 0.74 | 0.49 |
11 | Speeding justified by vehicle capabilities | 0.57 | — | 0.59 |
12 | Blaming friends for driving accidents | — | 0.63 | 0.55 |
13 | Poor infrastructure as cause of violations | 0.64 | — | 0.55 |
14 | Blaming pedestrians for accidents | — | 0.63 | 0.58 |
Model | χ2 (df) | CFI | TLI | SRMR | RMSEA [90% CI] | AIC | BIC |
---|---|---|---|---|---|---|---|
One-factor | 520 (77) | 0.607 | 0.536 | 0.117 | 0.137 [0.126–0.149] | 10,593 | 10,749 |
Two-factor | 171 (76) | 0.915 | 0.899 | 0.0517 | 0.064 [0.0515–0.0771] | 10,246 | 10,406 |
Three-factor | 167 (74) | 0.917 | 0.898 | 0.0495 | 0.0644 [0.0515–0.0774] | 10,247 | 10,414 |
Item | Content | Factor | Estimate | SE | Z |
---|---|---|---|---|---|
1 | Red light due to horn pressure | Normative Justification | 0.29 | 0.04 | 7.40 (p < 0.001) |
2 | Minimizing seriousness of rule violations | Normative Justification | 0.38 | 0.03 | 11.21 (p < 0.001) |
3 | Cyclists responsible for their own safety | Blame Externalization | 0.76 | 0.08 | 9.58 (p < 0.001) |
4 | Drivers’ lack of intelligence | Blame Externalization | 0.76 | 0.07 | 10.52 (p < 0.001) |
5 | Everyone breaks the rules | Normative Justification | 0.46 | 0.03 | 13.47 (p < 0.001) |
6 | Running red lights on empty roads | Normative Justification | 0.4 | 0.04 | 10.86 (p < 0.001) |
7 | Minimizing disabled parking violations | Normative Justification | 0.32 | 0.04 | 8.90 (p < 0.001) |
8 | Reckless motorcyclists | Blame Externalization | 0.79 | 0.07 | 11.90 (p < 0.001) |
9 | Shared blame for drunk driving accidents | Blame Externalization | 0.62 | 0.08 | 7.44 (p < 0.001) |
10 | Cyclists as traffic obstacles | Blame Externalization | 0.95 | 0.07 | 13.76 (p < 0.001) |
11 | Speeding justified by vehicle capabilities | Normative Justification | 0.37 | 0.05 | 7.88 (p < 0.001) |
12 | Blaming friends for driving accidents | Blame Externalization | 0.72 | 0.06 | 11.41 (p < 0.001) |
13 | Poor infrastructure as cause of violations | Normative Justification | 0.46 | 0.04 | 11.59 (p < 0.001) |
14 | Blaming pedestrians for accidents | Blame Externalization | 0.81 | 0.06 | 12.55 (p < 0.001) |
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Cordellieri, P.; Nori, R.; Guariglia, P.; Giancola, M.; Bonavita, A.; Palmiero, M.; Giannini, A.M.; Piccardi, L. Promoting Sustainable and Safe Mobility: Psychometric Validation of the MORDE Scale for Measuring Moral Disengagement in Driving Contexts. Sustainability 2025, 17, 8151. https://doi.org/10.3390/su17188151
Cordellieri P, Nori R, Guariglia P, Giancola M, Bonavita A, Palmiero M, Giannini AM, Piccardi L. Promoting Sustainable and Safe Mobility: Psychometric Validation of the MORDE Scale for Measuring Moral Disengagement in Driving Contexts. Sustainability. 2025; 17(18):8151. https://doi.org/10.3390/su17188151
Chicago/Turabian StyleCordellieri, Pierluigi, Raffaella Nori, Paola Guariglia, Marco Giancola, Alessia Bonavita, Massimiliano Palmiero, Anna Maria Giannini, and Laura Piccardi. 2025. "Promoting Sustainable and Safe Mobility: Psychometric Validation of the MORDE Scale for Measuring Moral Disengagement in Driving Contexts" Sustainability 17, no. 18: 8151. https://doi.org/10.3390/su17188151
APA StyleCordellieri, P., Nori, R., Guariglia, P., Giancola, M., Bonavita, A., Palmiero, M., Giannini, A. M., & Piccardi, L. (2025). Promoting Sustainable and Safe Mobility: Psychometric Validation of the MORDE Scale for Measuring Moral Disengagement in Driving Contexts. Sustainability, 17(18), 8151. https://doi.org/10.3390/su17188151