Online Betting Guide, which commissioned the research, said: "Many might think they are good when it comes to a poker face, but the smallest thing can very easily give them away. "Knowing when to bluff and when not to bluff can be a useful life skill and get you out of some sticky situations – both at the poker table and in your normal life."And it's also handy when it comes to knowing when others might be trying to use it to get the upper hand over you."Body language expert Judi James, author of Poker Face, said: "Body language is not a precise science, and when you’re looking for signs of lying there is no such thing as a perfect body language "tell" – only clues and hints."Poker players in particular can use micro-gestures when they lie or bluff, but a good liar could use this to their benefit, acting the "tell" to suit themselves and confuse their opponents."Imagine you’ve spotted an opponent’s "tell" when you’re playing poker.
You’ve noticed that when they are bluffing their eyes dart quickly from side to side."This "tell" is only useful to you if they’re not aware of it themselves, though.
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