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lectures > lectures spring 2003

Telling and Detecting Lies

Speaker: Aldert Vrij
31st Mayl 2003

This presentation starts with a general overview of deception, discussing the frequency of lying, the types of lie people tell, and the reasons why people lie. In the second part, indicators of deception will be discussed:

(i) speech content related indicators;
(ii) nonverbal indicators;
(iii) physiological indicators (typically measured with the polygraph or lie detector).
Finally, lay persons' and professional lie-catchers' ability to detect lies will be discussed.

Throughout the presentation, videoclips of some liars and truth-tellers will be shown.

Aldert Vrij is a Professor of Social Psychology in the Department of Psychology. His main fields of interest are social and criminal psychology which he teaches on the BSc (Hons) Psychology course. His research interests are deception, police officers' shooting behaviour, interviewing suspects, interviewing children, and ethnic prejudice. Most of his research deals with deception.
He investigates both nonverbal and verbal correlates of deception, and has received research grants from ESRC, Leverhulme Trust and Dutch Ministry of Justice. He has published more than 200 articles and 5 books. His recent book, Detecting lies and deceit: The psychology of lying and its implications for professional practice, (Chichester: John Wiley & Sons, published 2000) is the first to incorporate research on both nonverbal and verbal cues to deception.

http://www.port.ac.uk/departments/psychology/staff/vrij.htm

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