A Review of FBI Security Programs
A Review of FBI Security Programs
A Review of FBI Security Programs
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apply for employment, fearing disqualification, and employees will avoid misconduct,<br />
fearing detection. Finally, polygraph supporters insist that it is a cost-effective tool for<br />
gathering information and deterring espionage.<br />
Opponents question the scientific validity <strong>of</strong> testing, claiming that it produces an<br />
unacceptably high incidence <strong>of</strong> false positives and inconclusive results. Opponents also<br />
claim that the polygraph examination can be a highly intrusive invasion <strong>of</strong> privacy and that<br />
there is a tendency to base decisions solely on test results.<br />
Polygraph examiners compare physiological measurements recorded in response to<br />
relevant questions to physiological measurements recorded in response to control questions.<br />
Although polygraphy has scientific components, it is not a science; it is a discipline<br />
dependent on the training, skill, and experience <strong>of</strong> the polygrapher. Physiological responses<br />
are scientific aspects <strong>of</strong> this discipline, and a properly calibrated instrument will register very<br />
accurate readings. However, the etiology <strong>of</strong> these reactions can be extremely complex.<br />
Thus, the polygraph is not a “lie detector.” Test subjects may register measurable<br />
physiological responses for a variety <strong>of</strong> reasons. The most significant contribution <strong>of</strong> the<br />
polygraph is its success in eliciting information and its value as a deterrent; however, the<br />
polygraph should be but one <strong>of</strong> several investigative tools.<br />
Polygraph examinations are utilized in personnel security screening and in security,<br />
criminal, and operational investigations. The full-scope test, the more controversial and<br />
broader <strong>of</strong> the two forms <strong>of</strong> personnel screening polygraphy, covers a wide range <strong>of</strong> topics<br />
and personal matters. It is not restricted to individuals suspected <strong>of</strong> misconduct. Opponents<br />
<strong>of</strong> full-scope tests assert that they are highly intrusive, unjustifiable invasions <strong>of</strong> privacy<br />
subject to error. Proponents contend that full-scope examinations can be narrowly focused,<br />
eliciting only information relevant to trustworthiness, national security, and adjudicative<br />
criteria.<br />
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