Evaluating Transportation Security

Johnstone, R. William

doi:10.1016/b978-0-12-408101-7.00009-x

Cited by 1 publication

(2 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…These technologies, operated by security personnel, are essential for the effective detection of prohibited objects carried in passengers’ baggage and on their person. Although the systems in place are considered effective (Graves et al, 2011), major security breaches in recent years (such as September 11) have placed the security screening process under scrutiny (Champion, 2012; Johnstone, 2015). One of the most scrutinized aspects of airport security is x-ray screening of passengers’ carry-on baggage, as this has been associated with significant failure to detect threat objects.…”

Section: Introductionmentioning

confidence: 99%

“…One of the most scrutinized aspects of airport security is x-ray screening of passengers’ carry-on baggage, as this has been associated with significant failure to detect threat objects. For example, Transportation Security Administration (TSA) security screeners at Los Angeles and Chicago airports failed to discover more than 60% of fake bombs in 2006 (Johnstone, 2015). Given that human operators are required to interpret the x-ray images and make decisions about which objects are threats (Graves et al, 2011; Michel & Schwaninger, 2009), developing the relevant skills to support these processes is critical and has been a primary focus of security screening research (Harris, 2002; McCarley, Kramer, Wickens, Vidoni, & Boot, 2004; Schwaninger, 2005).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Airport Security Screener Problem-Solving Knowledge and Implications

et al. 2019

View full text Add to dashboard Cite

Objective: This research investigates security screeners’ knowledge and the effect that differences in knowledge have on the performance of problem-solving activities. We argue that the development of problem-solving knowledge enables security screeners to perform effective problem-solving activity, which assists search and decision-making processes. Background: Airport security screening research has investigated the many variables that affect security screeners’ search and decision making during simulated threat-detection tasks. Although search and decision making are essential aspects of security screening, few studies have investigated the problem-solving knowledge and activities that support security screening task performance. Method: Sixteen more-experienced and 24 less-experienced security screeners were observed as they performed x-ray screening in the field at an Australian international airport’s departure security checkpoint. Participants wore eye-tracking glasses and delivered concurrent verbal protocol. Results: When interacting with other security screeners, more-experienced screeners demonstrated situational knowledge more than less-experienced screeners, whereas less-experienced screeners experienced more insufficient knowledge. Lag-sequential analysis using combined data from both screener groups showed that situational knowledge facilitated effective problem-solving activity to support search and decision making. Insufficient knowledge led screeners to seek assistance and defer decision making. Conclusion: This study expands current understandings of airport security screening. It demonstrates that security screeners develop knowledge that is specific to problem solving. This knowledge assists effective problem-solving activity to support search and decision making, and to mitigate uncertainty during the x-ray screening task. Application: Findings can inform future security screening processes, screener training, and technology support tools. Furthermore, findings are potentially transferable to other domains.

show abstract

Section: Introductionmentioning

confidence: 99%