不显示数字的体重秤有助于减肥？
<p><span word="The">The</span> <span word="scale">scale</span> <span word="of">of</span> <span word="the">the</span> <span word="future">future</span> <span word="does">does</span> <span word="not">not</span> <span word="have">have</span> <span word="numbers">numbers</span> <span word="or">or</span> <span word="dials">dials</span>. <span word="It">It</span> <span word="won">won</span>'<span word="t">t</span> <span word="even">even</span> <span word="tell">tell</span> <span word="you">you</span> <span word="how">how</span> <span word="much">much</span> <span word="you">you</span> <span word="weigh">weigh</span>. <span word="It">It</span> <span word="doesn">doesn</span>'<span word="t">t</span> <span word="have">have</span> <span word="a">a</span> <span word="screen">screen</span> <span word="to">to</span> <span word="display">display</span> <span word="your">your</span> <span word="weight">weight</span> <span word="because">because</span>, <span word="if">if</span> <span word="you">you</span> <span word="ask">ask</span> <span word="behavioral">behavioral</span> <span word="economist">economist</span> <span word="at">at</span> <span word="Duke">Duke</span> <span word="University">University</span> <span word="Dan">Dan</span> <span word="Ariely">Ariely</span>, <span word="weight">weight</span> <span word="is">is</span> <span word="a">a</span> <span word="metric">metric</span> <span word="of">of</span> <span word="the">the</span> <span word="past">past</span>.</p><p>未来的体重秤没有数字和表盘，不会告诉你有多重，甚至它连显示体重的屏幕都没有。如果你想知道原因的话，杜克大学的行为经济学家<span word="Dan">Dan</span> <span word="Ariely">Ariely</span>会告诉你，体重只是一个关于过去的测量数值。</p><p><span word="Ariely">Ariely</span> <span word="has">has</span> <span word="spent">spent</span> <span word="his">his</span> <span word="career">career</span> <span word="researching">researching</span> <span word="the">the</span> <span word="invisible">invisible</span> <span word="machinery">machinery</span> <span word="of">of</span> <span word="human">human</span> <span word="choice">choice</span>: <span word="why">why</span> <span word="we">we</span> <span word="neglect">neglect</span> <span word="to">to</span> <span word="save">save</span> <span word="money">money</span> <span word="for">for</span> <span word="things">things</span> <span word="we">we</span> <span word="need">need</span> <span word="we">we</span> <span word="know">know</span>, <span word="why">why</span> <span word="we">we</span> <span word="lie">lie</span> <span word="to">to</span> <span word="our">our</span> <span word="friends">friends</span>, <span word="and">and</span> <span word="to">to</span> <span word="ourselves">ourselves</span>.</p><p><span word="Airely">Airely</span>一直致力于探求人们决策过程的不可见机制：为什么我们会忘记为那些必需品存钱，为什么我们会欺骗朋友、欺骗自己。</p><p><span word="Recently">Recently</span>, <span word="he">he</span>'<span word="s">s</span> <span word="turned">turned</span> <span word="his">his</span> <span word="focus">focus</span> <span word="toward">toward</span> <span word="the">the</span> <span word="choices">choices</span> <span word="we">we</span> <span word="make">make</span> <span word="about">about</span> <span word="our">our</span> <span word="health">health</span>. <span word="Why">Why</span>, <span word="Ariely">Ariely</span> <span word="wondered">wondered</span>, <span word="do">do</span> <span word="people">people</span> <span word="have">have</span> <span word="such">such</span> <span word="a">a</span> <span word="hard">hard</span> <span word="time">time</span> <span word="making">making</span> <span word="healthy">healthy</span> <span word="choices">choices</span>?</p><p>最近，他开始研究与健康相关的抉择。<span word="Ariely">Ariely</span>想知道，为什么做出健康的选择这么难呢？</p><p><span word="Ariely">Ariely</span> <span word="imagines">imagines</span> <span word="the">the</span> <span word="common">common</span> <span word="bathroom">bathroom</span> <span word="gadget">gadget</span> <span word="as">as</span> <span word="a">a</span> <span word="gateway">gateway</span> <span word="to">to</span> <span word="better">better</span> <span word="understanding">understanding</span> <span word="our">our</span> <span word="health">health</span>, <span word="a">a</span> <span word="way">way</span> <span word="to">to</span> <span word="subtly">subtly</span> <span word="reshape">reshape</span> <span word="human">human</span> <span word="health">health</span> <span word="behavior">behavior</span> <span word="one">one</span> <span word="pound">pound</span> <span word="at">at</span> <span word="a">a</span> <span word="time">time</span>. <span word="But">But</span> <span word="in">in</span> <span word="order">order</span> <span word="to">to</span> <span word="do">do</span> <span word="that">that</span>, <span word="Ariely">Ariely</span> <span word="wants">wants</span> <span word="to">to</span> <span word="rethink">rethink</span> <span word="the">the</span> <span word="scale">scale</span>'<span word="s">s</span> <span word="design">design</span>.</p><p><span word="Ariely">Ariely</span>认为，通过浴室里一个常见的小物件，可以更好地了解人们的健康状况。这是一种塑造健康行为的巧妙方法。为了达到这一需求，<span word="Ariely">Ariely</span>想要重新设计一款体重秤。</p>
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