Vrij & Mann (High Stakes Liars)
Suspects, Lies and Videotapes: An analysis of authentic high stakes liars Song: Would I lie to you?- Eurythmics
Terms in this set (21)
Aim: To determine if ______ load causes changes in behavior relevant to lying or telling the truth.
To determine if there are _______ to distinguish between those who are telling the truth and those who are lying.
systematic behavioral differences
16 police subjects
Gender of subjects (16)
13 males and 3 females
Age and Race of suspects?
4 juveniles, 12 adults; 15 white, 1 asian
theft, arson, attempted rape, murder
POlice found tapes where....
suspects lied and then told the truth
Method: A _____ experiment.
What is a quasi experiment?
when the independent variable is not directly manipulated
gaze aversion, blinking, head movements, speech disturbances, pauses
In the Mann, Vrij and Bull study (high stakes liars)
What were some of the behaviors that were recorded during the content analysis? 
Some of the behaviors that were recorded during the content analysis are as follows: gaze aversion, blinking, hand movements and speech disturbances.
Describe why this content analysis is described as a quantitative data collection technique. 
-This content analysis, a methodology used in the social sciences for objectively studying the content of a communication, is described as a quantitative data collection technique because it produces data that is often numerical or in percentages. This removes the subjectivity from summaries and enforces the detection of trends.
the dada was recorded on ____ of police interviews.
Who observed the behaviors?
2 independent observers
What did the independent observers know?
didnt know whether guilty/innocent, truth/lie
What type of sample is this considered?
a convenience sample
Crimes were severe:
rape, high crimes
A lot of the sample had been in the station previously. True or False?
This was a quasi experiment. What the heck is a quasi experiment?
look it up..no clue
The types of truth and lies were _____.
really no difference, the deceptive group blinked less and paused longer