United States Department of Transportation
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Edition:Interim Report
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Abstract:The purpose of this report is to describe quantitatively the costs and benefits of screener
proficiency evaluation and reporting systems (SPEARS) equipment, particularly computer-based
instruction (CBI) systems, compared to current methods of training, selection, operational
certification, operational evaluation and recurrent training.
Part of this effort involves statistical analysis of data derived from actual screeners performing
simulated screening on one CBI system,the Public Computer Systems, Inc. (PCSI) Safe
Passage System (TM). PCSI agreed to cooperate with the Federal Aviation Administration
(FAA) on this study following an FAA announcement in the Commerce Business Daily.
All data was analyzed from each of five major domestic airline sites equipped with Safe
Passage. In all, these data represent results from 1465 screeners on more than 1.5 million
decisions to pass, inspect or hold X-rayed baggage images.
Preliminary results not only suggest a low percentage of critical errors on Safe Passage
images, but also suggest that there is room for improvement in several image categories
including: Explosives, Knives, Other Sharp Objects, and Suspicious Innocent. These categories
showed less than 80% accuracy. The results also suggest that CBI can be effective in
accomplishing the needed improvements, establishing performance near orabove 90% for all
image categories.
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