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Sunday, January 29, 2012

Catching a liar

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Other-Focused Lies are directed at another person and are usually told with the good intention of the deceiver.

Self-Fouced Lies may be directed at any person, but are told for the purpose of benefitting or protecting the person telling the lie.
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Broadly speaking there are 3 response phases after a lie is told.

Phase One: Emotional Response: When a lie is told the liar will feel some form of emotion depending on how serious the lie is. Some people are great at lying because they can detatch from lies and feel no emotion. But most people will feel emotion. These emotions can be fear,guilt, stress or on occasion excitment.

Phase Two: Sympathetic Nervious Response: The impact of guilt,fear or stress on the liar will cause 'decent clues' things like fidgeting,finger tapping, talking too quickly, avoiding eye contact, rapid eye movement, dry mouth ect.

Phase Three: Cognitive Response: When the liar realises the Sympathetic Nervous Resonse and tries to make a counter-measusre. Things like gripping hands to stop finger tapping or making more eye contact because they broke eye contact when lying.

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Recent studies show that 55% of communucating is non-verbal, while 38% is is vocal (how things are said) and 7% is purely verbal.

The same study suggested that we are not designed to catch lies or detect them. A group of neuro-scientists suggested that we aren't built to detect lies because in our primal stages of development we lived in very close quartes (tribes), and cheating and acts like that were not common because you just wouldnt be able to get away with it and if you did you would be outcast or killed.
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MAGIC

This module was built so you could go through the steps and so there was an easy way to remember how to detect lies.

Motivation: does the person have a motivation to lie.

Ask Control Questions, to establish a baseline: When you initally turn on your 'lieradar', observe the verbal and non-verbal responses to Control Questions - ones the person will answer truthfully. This will give you a behavioural baseline. ( same thing is used when you get polygraphed, thats why they ask your name and stuff, to determine your normal heart rate)

Guilt Questions : To identify a liar you need to first provide the opportunityto lie. For this to occur, you must ask a Guilt Question or two - subtly! This is best done in a normal conversation as it denies the opportunity for the person to hide deciet clues from you.

Indicators: Are there lying indicators that stand out to you, fromthe baseline behaviour you observed when asking the Control Questions.

Check again. If you wanna be sure and not look like an idiot repeat those steps and if you get the same response as before (presuming they're lying) then you know they are lying.

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