This research contributes a significant and novel understanding of intuitive expertise in the uncertain context of airport security screening. It investigated the visual and physical interactions of expert and non-expert security screeners at an Australian International Airport. Visual and physical interactions of security screeners doing their normal tasks were observed using eye-tracking glasses. Semi-structured interviews were conducted to identify relationships between security screener experience, and the knowledge and processing styles underlying visual and physical interactions. These relationships are represented in conceptual models of expert and non-expert security screeners’ visual and physical interactions. Conceptual models, in conjunction with provided recommendations, can be used to assist skill development in both inexperienced and experienced security screeners, and inform the design of future security screening training, technologies and processes.
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