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A quantitative analysis framework for cognitive process of construction workers: Exploring impacts of safety
Yiran Xu1, Liying Wang1, Dongping Fang2
1Department of Construction Management, Tsinghua University, Beijing 100084, China.
Introduction:
Considerable research has shown that safety leadership (SL) and safety culture (SC) play an important role in improving unsafe behaviors, but the specific intervention effects of the two on cognitive process are not yet clear, which restricts the development of safety management research based on cognitive psychology.
Method:
This study proposed a quantitative analysis framework for the cognitive process of construction workers by exploring the impacts of SL and SC on each cognitive link based on a case study in China. First, structural equation modeling was used to analyze the impact paths of SL and SC on four cognitive links. Second, a Bayesian network was formulated to predict the effects of intervention strategies from various dimensions of SL and SC on the cognitive links.
Results:
The results indicate that SL and SC both positively impact on the four cognitive links. Notably, both of them demonstrate the most substantial effects on "selecting response" link. Furthermore, the combined interventions of SL and SC can reduce the cognitive failure more greatly than single-dimension ones. Among all intervention strategies, the combination of caring and respect and safety communication shows the best effect. This study contributes to the safety management research by connecting safety organizational factors with cognitive psychology and expanding the cognitive model framework.
Practical Applications:
It also provides a quantitative analytical framework to analyze potential cognitive failures. It enables managers to explore underlying relationships of unsafe behaviors and identify cognitive intervention points for safety management.
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