My research shows that when you give people a choice among options, it lowers their defenses, and they're more likely to accept your offer.
تحقیقات نشون داد وقتی قدرت انتخاب باشه حالت تدافعی هم کمتر میشه. و احتمال قبولی پیشنهاد شما بیشتر میشه.