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Development and validation of implicit behavioral tests assessing perceptual sensitivity to construction hazards.

Eugene Hwang1, Myeongjun Kim2, Hyemin Shin1

  • 1Graduate School of Culture Technology, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.

Journal of Safety Research
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Summary

New behavioral tasks effectively measure construction workers

Keywords:
Assessment toolConstruction safetyHazard recognitionPerceptual sensitivity

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Area of Science:

  • Cognitive psychology
  • Occupational safety
  • Construction management

Background:

  • Hazard recognition is crucial for preventing accidents among construction workers.
  • Traditional explicit knowledge tests have limitations in assessing practical safety awareness.
  • This study introduces implicit behavioral tasks as an innovative assessment method.

Purpose of the Study:

  • To develop and evaluate implicit behavioral tasks for measuring perceptual sensitivity to danger in construction sites.
  • To provide an alternative to conventional explicit knowledge tests for assessing hazard recognition.
  • To investigate cognitive processes underlying effective hazard recognition in high-risk environments.

Main Methods:

  • Attentional blink, change blindness, and go/no-go tasks were employed.
  • These tasks assessed attentional capture, change detection, and response inhibition.
  • Cognitive processes essential for hazard recognition in construction were examined.

Main Results:

  • Construction workers showed enhanced attentional allocation to dangerous objects.
  • Workers demonstrated heightened change detection for danger-related stimuli.
  • Improved inhibition of impulsive reactions to construction hazards was observed compared to a control group.

Conclusions:

  • The developed tasks effectively assess cognitive traits related to safety awareness in construction.
  • These tasks can be scaled for broader application in construction safety management.
  • Integrating these tasks into training allows for targeted interventions for workers with lower perceptual sensitivity to hazards.