USING EYE MOVEMENTS TO IDENTIFY HAZARDS MISSED BY AT-RISK WORKERS

Sogand Hasanzadeh, Behzad Esmaeili, Michel D. Dodd, Eugenio Pellicer

Research output: Contribution to journalConference articlepeer-review

Abstract

Identifying hazardous situations is a complex and multidimensional cognitive process that requires the proper allocation of workers’ attention. Eye-tracking technologies provide a viable option for studying construction workers’ attentional allocation and for linking attention to their hazard-identification capabilities. The objective of the study is to use eye-movement measures to determine which types of hazards construction workers miss, ignore, or perceive to be insignificant. In order to achieve this goal, 31 construction workers participated in a controlled laboratory experiment in which they searched for hazards in images of 35 real construction-site scenarios while a head-mounted EyeLink II tracked their eye movements. The results showed differences in the participants’ attentional distributions and that the hazard identification of workers with low and high hazard-identification skills stems from the types of hazard-not the number of hazards-within the scenarios. Further investigation on five images revealed that at-risk workers dwelt on imminent danger (e.g., workers in dangerous areas) rather than spreading their attentional efforts searching for sources of non-obvious hazards, including electrical hazards, housekeeping hazards and fall-protection-system-related hazards. The results of this experiment can thus support personalized safety training that targets at-risk workers.

Original languageEnglish (US)
JournalProceedings of International Structural Engineering and Construction
Volume4
Issue number1
DOIs
StatePublished - 2017
Event9th International Structural Engineering and Construction Conference, ISEC-9 2017 - Valencia, Spain
Duration: Jul 24 2017Jul 29 2017

Keywords

  • Construction safety
  • Eye-tracking
  • Hazard identification
  • Safety training
  • Visual attention

ASJC Scopus subject areas

  • Building and Construction
  • Architecture
  • Civil and Structural Engineering
  • Safety, Risk, Reliability and Quality

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