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Development of safety incident coding systems through improving coding reliability
Nikki S Olsen1, Ann M Williamson1
1School of Aviation, The University of New South Wales, Kensington, Sydney, NSW 2052, Australia.
Abstract:
This paper reviews classification theory sources to develop five research questions concerning factors associated with incident coding system development and use and how these factors affect coding reliability. Firstly, a method was developed to enable the comparison of reliability results obtained using different methods. Second, a statistical and qualitative review of reliability studies was conducted to investigate the influence of the identified factors on the reliability of incident coding systems. As a result several factors were found to have a statistically significant effect on reliability. Four recommendations for system development and use are provided to assist researchers in improving the reliability of incident coding systems in high hazard industries.
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