A lot of research has been done to find out how to detect lies through gestures, facial expressions, and body language. However, none can be an absolute indicator that states that someone is really lying.
A number of researchers at Coral Dando at the University of Wolverhampton, reported by the BBC, have managed to identify a series of principles of conversation that can increase your chances of detecting lies more accurately. Instead of focusing on facial gestures and expressions, this principle focuses on the vocabulary and grammar expressed by the other person. This method involves us to do a kind of honesty test to the other person, by asking questions or responses that can touch someone's weak points and can make lies revealed. How do you do that?
Before conducting an honesty test, make sure you make the initial observation
Remember, honesty is characterized by personal characteristics that sync with each other. So, in addition to body posture, pay attention to the compatibility between face, body, voice and speech style. Before starting, it's important to understand how the person usually acts. So, you need to know what the person's facial expressions are in normal circumstances, and what he talks to in everyday conversation.
Even though it's possible to get a base with only 20-30 seconds of observation, it's even better if you have more time. "The best trick is to pay attention to your interlocutors for a while, by opening up small talk or prank questions, to see how their body movements and facial expressions are when they are telling the truth," said Mark Bouton, a senior FBI agent and the author of How to Spot Lies Like the FBI, quoted from Business Insider.
4 steps to do an honesty test
1. Use open questions
Instead of asking questions whose answers are "yes" or "no", use open questions that require someone to elaborate on the answer at length. Fishing a more descriptive answer will force liars to expand their story until they are caught in the net of their own imagination.
2. Give a surprise element
You should try to increase the liar's "cognitive burden" by asking unexpected questions that might be a little confusing. Or, have them report an event with a step backwards. People who only fabricate stories will have difficulty telling their imagination backwards chronologically.
3. Note the small details that can be checked and checked
Ever, right, you asked a friend, "Have you walked? Now where is it? ", And the classic answer is none other than" On the road, "or," Come soon. "Ask about the details of their trip, such as on the road, what is the benchmark, traffic or not, and so on. If you find a contradiction or anomaly, don't rush to dismantle the lie. It is better to build the liar's confidence so that he continues to be entangled in his own lies, until finally the lie collapses on its own.
4. Observe changes in self-confidence
Look carefully. The lying style of the person you're talking to will slowly begin to change when they begin to feel afraid that the lie has been sniffed. At the beginning, he might overestimate his style of speech and look more confident when throwing his lies, but they might be silent when they begin to feel lost control.
Do it casually, not questioning
The purpose of the four principles above is to bring conversation in a relaxed atmosphere, not in the form of serious interrogation. With this technique, however smart a liar, he or she will express their lies voluntarily by refuting their own story, being clearly evasive or protesting the question, or becoming confused in responding.
This technique has proven to be 20 times more effective and more likely to detect lies than rely solely on vague physical signs.
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