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This study developed reliable scales to measure risk perception, a key factor in hazard response. The new scales assess exposure, susceptibility, severity, and affective response for better risk assessment across populations.

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Area of Science:

  • Environmental Psychology
  • Decision Science
  • Psychometrics

Background:

  • Risk perception is crucial for understanding hazard response, yet measurement lacks consensus.
  • A conceptual model identifies four key dimensions: exposure, susceptibility, severity, and affective response.

Purpose of the Study:

  • To develop and validate reliable, brief subscales for measuring the four dimensions of risk perception.
  • To provide empirically supported tools for assessing perceived risk in diverse contexts.

Main Methods:

  • Extensive scale development process utilizing cognitive interviewing.
  • Quantitative psychometric analyses including exploratory and confirmatory factor analysis.
  • Item-response theory analyses to refine item selection.

Main Results:

  • Developed empirically supported 3-4 item subscales for each of the four risk perception dimensions.
  • Reduced a large item pool to high-quality measures through rigorous psychometric testing.

Conclusions:

  • The validated subscales offer a standardized method for measuring risk perception.
  • These tools facilitate cross-contextual and cross-population comparisons of perceived risk.