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ADVANCING CONSTRUCTION SAFETY

Assessment of Situation Awareness Using Eye Tracking: Phase I

This study — for the first time — applies well-established theories in the cognitive science literature to the creation of a novel hazard identification strategy for proactive accident prevention in the construction industry.

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https://dx.doi.org/10.14288/1.0076423

https://doi.org/10.1061/(ASCE)ME.1943-5479.0000526

https://doi.org/10.1061/(ASCE)CO.1943-7862.0001373

http://www.scopus.com/inward/record.url?scp=85025599670&partnerID=8YFLogxK

News:

http://new.constructionmanagermagazine.com/technology/eye-tracking-pinpoints-human-errors-site/

 

Assessment of Situation Awareness Using Eye Tracking: Phase II

This study—for the first time—applies mobile eye-tracking technology in real-world field environment to address the limitation in measuring SA by providing the opportunity to examine human eye movement in a dynamic environment without interruption.

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https://tobii.23video.com/researcher-spotlight-the-effect-of-construction

https://doi.org/10.1061/9780784479827.288

 

 

Measuring the Impact of Working Memory Load on the Safety Performance of Construction Workers

Cognitive processes have been found to play a significant role in contributing to the human errors that lead to construction accidents. A better understanding of cognitive processes as they relate to construction will elucidate the more predictable varieties of human fallibility and allow for the creation of strategies to avoid said errors. To date, no published study has empirically investigated the relationship between working memory and the human errors that lead to accidents in construction. To address this gap, this study uses eye-movement metrics to examine how working-memory load impacts worker’s attentional allocation and the detection of potential hazards in construction. To determine whether changes in memory load influence scan patterns and awareness of hazards, 19 students were recruited to participate in an eye-tracking experiment in which working memory load was manipulated. The results demonstrated that as working memory load increases, the ability of participants to identify hazards decreases. In addition, the results demonstrate that there is a significant difference between the visual search strategies of people under different working-memory loads. This study provides a proof of concept that eye movements can be used as an indicator of variation in working-memory load among construction workers while they search for a hazard without any active interference with the subject.

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https://doi.org/10.1061/9780784480847.020