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정보 제공 피드백이 탐지 수행 증진에 미치는 효과: 가상 수화물 검사를 활용하여
임성준 ( Sung Jun Lim ),최지한 ( Jihan Choi ),이지동 ( Jidong Lee ),안지연 ( Ji Yeon Ahn ),문광수 ( Kwangsu Moon ) 한국안전학회(구 한국산업안전학회) 2019 한국안전학회지 Vol.34 No.1
The importance of aviation safety has been emphasized recently due to the development of aviation industry. Despite the efforts of each country and the improvement of screening equipment, screening tasks are still difficult and detection failures are frequent. The purpose of this study was to examine the effect of feedback on improving signal detection performance applying a Simulated Baggage Screening Program(SBSP) for improving aviation safety. SBSP consists of three parts: image combination, option setting and experiment. The experimental images were color-coded to reflect the items’ transmittance of the x-rays and could be combined as researchers’ need. In the option, the researcher could set up the information, incentive, and comments needed for training to be delivered on a number of tasks and times. Experiment was conducted using SBSP and participant’s performance information (hit, missed, false alarms, correct rejection, reaction time, etc.) was automatically calculated and stored. A total of 50 participants participated and each participant was randomly assigned to feedback and non-feedback group. Participants performed a total of 200 tasks and 20(10%) contained target object(gun and knife). The results showed that when the feedback was provided, the hit, correct rejection ratio and d′ were increased, however, the false alarms and miss decreased. However, there was no significant difference in response criteria(β). In addition, implications, limitations of this study and future research were discussed.
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