A practiced liar can be extremely difficult to detect, which can have a big impact on negotiations that goes unnoticed until it?s too late. In a recent paper written up at Harvard Business School Working Knowledge, the University of Wisconsin?s Lyn M. Van Swol and Michael T. Braun, and Harvard Business School?s Deepak Malhotra took a look at whether there were any telltale language clues that can help detect a liar.
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