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Show Notes Avinoam Sapir is the developer of the SCAN technique "Scientific Content Analysis" , a method for analyzing statements in order to "read between the lines" and extract significant information that an ordinary reading of the text does not reveal. Check out YouTube with many more livestreams! Sign up for a weekly update of shows? Listen On.

Recent Episodes. Statement analysis involves an investigator searching for linguistic cues and gaps in a subject's testimony or preliminary statements. Ideally, the technique would guide investigators to ask follow-up questions to uncover discrepancies.

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He counted the money when you steal you want to know how much you are stealing , and then the subject put the bag on the counter. The subject didn't say that he put the money back in the bag after counting it, because he didn't; he left the empty bag on the counter and walked away with the money. Sapir says that a fundamental principle of statement analysis is that "denying guilt is not the same as denying the act.

When one says 'I am not guilty' or 'I am innocent,' they are not denying the act; they are only denying guilt. Aldert Vrij , one of the leading authorities on detection of deception DOD techniques, points out that most studies of the technique did not rely on the ground truth being established and thus examiners could not be certain if "examinees were actually telling the truth or lying".

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Critics argue that the technique encourages investigators to prejudge a suspect as deceptive and affirm a presumption of guilt before the interrogation process has even begun. Statement analysis in general has been criticized as "theoretically vague" with little or no empirical evidence in its favor, and SCAN in particular has been characterized as " junk science " [ 7 ] with the Skeptic's Dictionary and Skeptical Inquirer magazine [ 16 ] classifying it as a form of pseudoscience.

Contents move to sidebar hide. Article Talk. Read Edit View history. Tools Tools. A truthful statement contains specific features. Therefore the first stage is to determine whether these are present. The second step is to determine the extent to which the statement differs from what would otherwise be a truthful statement.

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To help you understand how SCAN is used to analyse statements we have included some of our case studies. Unstructured: Dynamic Informal Conversations with amazing people. Avinoam Sapir is the developer of the SCAN technique "Scientific Content Analysis" , a method for analyzing statements in order to "read between the lines" and extract significant information that an ordinary reading of the text does not reveal.

It can be applied to any text, regardless of the circumstances in which the text was written, and without any prior information regarding the identity or personality of the writer of the text.