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Truth-default theory (TDT) is a communication theory which predicts and explains the use of veracity and deception detection in humans. It was developed upon the discovery of the veracity effect - whereby the proportion of truths versus lies presented in a judgement study on deception will drive accuracy rates.
Pamela Meyer is an American author, certified fraud examiner, and entrepreneur.Described by Reader's Digest as "the nation's best known expert on lying," Meyer is the author of the 2010 book Liespotting: Proven Techniques to Detect Deception.
Lie detection is an assessment of a verbal statement with the goal to reveal a possible intentional deceit. Lie detection may refer to a cognitive process of detecting deception by evaluating message content as well as non-verbal cues. [ 1 ]
The lies are often trivial and essentially inconsequential – such as pretending to like a tasteless gift. From a societal perspective, such lying is better detected than ignored and tolerated.
Articles relating to lie detection, the assessment of a verbal statement with the goal to reveal a possible intentional deceit. Lie detection may refer to a cognitive process of detecting deception by evaluating message content as well as non-verbal cues.
Vrij argues that SCAN/statement analysis is best used as a technique to guide investigative interviews rather than as a "lie detection tool". [10] Subsequent empirical studies have concurred with these findings, finding that SCAN/statement analysis techniques are applied inconsistently and are not reliable at detecting deceptive statements.
The reason that the test is controversial, and the reason that lie detector tests are fundamentally flawed, is the Othello error—an especially emotional, angry or distraught subject produces similar results to a supposed liar.
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