Original reporting and commentary about polygraphs, voice stress analyzers, and other purported "lie detectors."
AntiPolygraph.org has today published the National Center for Credibility Assessment’s “Test Data Analysis: Numerical Scoring System Pamphlet” dated August 2017 (488 kb PDF). A note before the table of contents details the changes made over the years: Note: The content and substance of this pamphlet was officially approved on 23 Aug 2006. In March 2011, …
AntiPolygraph.org has today published a collection of documents associated with the National Center for Credibility Assessment’s training courses on polygraph countermeasures. These documents, which date to circa 2013, describe the U.S. government’s best efforts to detect polygraph countermeasures. Key revelations include: In a secret 1995 study, 80 percent of test subjects who were taught polygraph …
On Tuesday, 14 May 2013, NATO’s International Security Assistance Force (ISAF) in Afghanistan posted to its Facebook page a story about a program whereby U.S. forces in Afghanistan have been training Afghans in the use of a handheld “lie detector,” the Preliminary Credibility Assessment Screening System (PCASS) developed by the National Center for Credibility Assessment …
On 4 February 2011, the US Department of Defense published an amendment (PDF) to Directive 5210.48 (“Polygraph and Credibility Assessment Program”). The amended directive reflects the transfer of DoD polygraph program management from the defunct Counterintelligence Field Activity (CIFA) to the director of the Defense Counterintelligence and Human Intelligence Center (DCHC), a sub-unit of the …