Effects of tunnel workers' cognitive bias on their unsafe behaviors: mediating role of risk perception

doi:10.16265/j.cnki.issn1003-3033.2024.10.1905

Abstract

Abstract:

To prevent tunnel workers' unsafe behaviors, the effects of workers' cognitive biases on their unsafe behaviors and the role of risk perception in this process were investigated. Based on the literature, a conceptual model describing the relationship between workers' cognitive bias, risk perception, and unsafe behaviors was proposed. Moreover, measurement scales in tunnel construction scenarios were designed and a questionnaire survey was conducted. Then, the proposed conceptual model using regression analysis was used to investigate the effects of workers' cognitive bias on their unsafe behaviors. The results showed tunnel workers' cognitive bias positively affected their unsafe behaviors (effect value=0.713) and negatively impacted their risk cognition (effect value=-0.607). Workers' risk cognition negatively affected their unsafe behaviors (effect value=-0.617) and partially mediated the relationship between workers' cognitive bias and their unsafe behaviors (effect value=0.334).

Key words: tunnel workers, cognitive bias, unsafe behaviors, risk perception, mediating effect, regression analysis

CLC Number:

X915.2安全社会学

LI Hujun, YANG Ke, LUO Xun, CHEN Huihua, ZHANG Jianshe, YUAN Dongliang. Effects of tunnel workers' cognitive bias on their unsafe behaviors: mediating role of risk perception[J]. China Safety Science Journal, 2024, 34(10): 24-29.

Figures/Tables 4

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Table 1

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变量	题项	标准化载荷	CA	KMO	χ²/df	RMSEA	GFI	AVE	组合信度
认知偏差	Q11	0.792	0.878	0.809	2.049	0.064	0.902	0.594	0.853
	Q12	0.824
	Q13	0.772
	Q14	0.733
	Q15	0.794
	Q16	0.890
	Q17	0.745
	Q18	0.888
	Q19	0.745
风险感知	Q21	0.867	0.859	0.792	1.612	0.053	0.918	0.640	0.875
	Q22	0.853
	Q23	0.849
	Q24	0.792
	Q25	0.720
	Q26	0.844
	Q27	0.727
工人不安全行为	Q31	0.741	0.911	0.885	1.602	0.049	0.929	0.602	0.913
	Q32	0.712
	Q33	0.727
	Q34	0.843
	Q35	0.780
	Q36	0.833

模型编号	模型说明		R²		F值		β		t检验			p值	结果
1	认知偏差为自变量工人不安全行为为因变量		0.408		168.154^**		0.713		12.640^**			0.000	H1支持
2	认知偏差为自变量风险感知为因变量		0.324		136.866^**		-0.607		-9.945^**			0.000	H2支持
3	风险感知为自变量工人不安全行为为因变量		0.363		147.315^**		-0.617		-11.231^**			0.000	H3支持
4		认知偏差与风险感知为自变量工人不安全行为为因变量		0.431		90.281^**		0.552		8.322^**	0.000		H4支持部分中介
4		认知偏差与风险感知为自变量工人不安全行为为因变量		0.431		90.281^**		-0.334		-5.675^**	0.000		H4支持部分中介