Body language expert explains how the winner of ‘The Traitors’ spotted liars and how to do it yourself

Learn how to “baseline” and see who is telling the truth.

traitors, vanessa van edwards, lie detector, communication, baselining
Photo credit: Peacock on YouTube/Wikimedia CommonsRob Rausch and Vanessa Van Edwards.

In the latest season of the popular reality game show The Traitors, Rob Rausch emerged as the winner and the sole surviving Traitor. One reason he won was because he was able to see through the lies of his fellow competitors. A body language expert explained how Rausch was able to read people and win the entire cash prize.

Vanessa Van Edwards said that Rausch was able to discern who was lying to him and who was telling the truth while showing a clip from the show. In the Traitors clip, Rausch explained his strategy for trying to win the dagger prize through a game that required him to find who had it by asking questions.

What is baselining?

Rausch explained that he was able to be a “human lie detector.” He would ask questions that he already knew the answers to and monitor his competitors’ responses. He would then ask whether the person had the dagger, watching how they responded to determine whether they were lying. After observing competitor Natalie Anderson’s responses, Rausch concluded that she was lying and had the dagger.

On TikTok, Van Edwards explained that Rausch was using a technique called “baselining.” Baselining involves making mental notes of a person’s baseline behaviors when they are speaking comfortably and truthfully. If you notice a person displaying atypical behavior when answering a question, it could be a sign that they’re lying, uncomfortable, or conveying a specific nonverbal response.

For example, if a person who doesn’t normally touch others when speaking to them suddenly touches you, that could indicate extra interest. In contrast, if someone who is known for touching people while speaking to them doesn’t touch you, they could be hiding something. In the case of The Traitors, Van Edwards said Rausch interpreted Anderson’s lip purse in response to his question as an indication that she was lying.

How baselining can help day-to-day life

Being able to baseline a person’s behavior can be helpful both professionally and personally. Professionals consider it one of the cornerstones of negotiation in business because both sides of a deal are likely withholding information. Much like in a game of poker, business professionals aren’t showing their “full hand” and are looking for “tells” before contracts are signed.

In terms of home life, baselining a family member can be especially helpful when communicating with children. This isn’t in a business negotiation or interrogation sense, though. Noticing a loved one’s common behaviors when speaking and seeing aberrations could indicate that something is wrong. You could approach them privately to ask if anything is making them feel uncomfortable and offer help. This way, you’re spotting their lies not to confront them, but to let them know they’re seen and that you’re someone they can trust.

Whatever your reasoning, baselining is a useful skill for reading people. In Rausch’s case, it helped him win hundreds of thousands of dollars.

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