Telling lies: The irrepressible truth?

Emma J Williams, Lewis Bott, John Patrick, Michael Lewis

Research output: Contribution to journalArticle (Academic Journal)peer-review

13 Citations (Scopus)
241 Downloads (Pure)

Abstract

Telling a lie takes longer than telling the truth but precisely why remains uncertain. We investigated two processes suggested to increase response times, namely the decision to lie and the construction of a lie response. In Experiments 1 and 2, participants were directed or chose whether to lie or tell the truth. A colored square was presented and participants had to name either the true color of the square or lie about it by claiming it was a different color. In both experiments we found that there was a greater difference between lying and telling the truth when participants were directed to lie compared to when they chose to lie. In Experiments 3 and 4, we compared response times when participants had only one possible lie option to a choice of two or three possible options. There was a greater lying latency effect when questions involved more than one possible lie response. Experiment 5 examined response choice mechanisms through the manipulation of lie plausibility. Overall, results demonstrate several distinct mechanisms that contribute to additional processing requirements when individuals tell a lie.
Original languageEnglish
Article numbere60713
Number of pages14
JournalPLoS ONE
Volume8
Issue number4
DOIs
Publication statusPublished - 3 Apr 2013

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