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Published on: September 16, 2022
Using risk model judgements to better understand perceptions of synergistic risks
Ian G J Dawson1, Johnnie E V Johnson, Michelle A Luke
1Centre for Risk Research, University of Southampton, UK.
Individuals often underestimate synergistic risks from combined factors. New methods reveal understanding depends on experience, intuition, and learning opportunities, crucial for better health decisions.
Area of Science:
- Decision Science
- Risk Perception
- Behavioral Economics
Background:
- Scientific literature confirms synergistic interactions between risk factors increase adverse outcomes.
- Individual knowledge regarding these synergistic risks is poorly understood, hindered by outdated measurement methods.
- Existing metrics for assessing risk perception have questionable validity, impeding research progress.
Purpose of the Study:
- To introduce and validate an alternative approach, 'risk model judgements,' for assessing understanding of synergistic risks.
- To identify determinants influencing an individual's comprehension of combined risk factor effects.
- To inform interventions for improving decision-making regarding multiple health risks.
Main Methods:
- Two studies were conducted employing the novel 'risk model judgements' approach.
- Respondents evaluated the risk of factor combinations relative to individual factors, not in isolation.
- Data analysis focused on comparing this method to traditional metrics and identifying knowledge determinants.
Main Results:
- Risk model judgements proved superior to traditional metrics, overcoming their inherent drawbacks.
- Key determinants of understanding synergistic risks were identified: experiential insights, intuitive reasoning, domain-specific experience, and effective learning.
- The study provides crucial epistemological insights into the factors shaping risk perception.
Conclusions:
- Risk model judgements offer a valid and reliable method for assessing understanding of synergistic risks.
- Interventions should leverage experiential learning and intuitive understanding to enhance public awareness of combined risk factors.
- Improved understanding of synergistic risks can empower individuals to make more informed health decisions.
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