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Using the model statement to elicit verbal differences between truth tellers and liars: the benefit of examining core and peripheral details

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Research has shown that a model statement elicits more information during an interview and that truth tellers and liars report a similar amount of extra information. We hypothesised that veracity differences would arise if the total amount of information would be split up into core details and peripheral details. A total of 119 truth tellers and liars reported a stand-out event that they had experienced in the last two years. Truth tellers had actually experienced the event and liars made up a story. Half of the participants were given a model statement during the interview. After exposure to a model statement, truth tellers and liars reported a similar amount of extra core information, but liars reported significantly more peripheral information. The variable details becomes an indicator of deceit in a model statement interview protocol as long as a distinction is made between core and peripheral details.
Original languageEnglish
JournalJournal of Applied Research in Memory and Cognition
Early online date21 Sep 2018
DOIs
Publication statusEarly online - 21 Sep 2018

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