Dad Answers AllEmotionally Intelligent People Add This Word During Conversation to Become Exceptionally Persuasiveverified_publisherInc Magazine - Nick HobsonThe word was identified by a Harvard Professor 45 years ago. It still holds up today. Nearly half a century ago, Harvard researcher Ellen Langer ran a set of studies looking at whether and when individuals become more compliant after hearing one word: because. Langer and her research associates …