囧研究：中国人发现石头剪刀布致胜绝招！
<p><span word="The">The</span> <span word="question">question</span> <span word="of">of</span> <span word="how">how</span> <span word="to">to</span> <span word="win">win</span> <span word="at">at</span> <span word="rock">rock</span>-<span word="paper">paper</span>-<span word="scissors">scissors</span> <span word="has">has</span>, <span word="believe">believe</span> <span word="it">it</span> <span word="or">or</span> <span word="not">not</span>, <span word="plagued">plagued</span> <span word="mathematicians">mathematicians</span> <span word="and">and</span> <span word="game">game</span> <span word="theorists">theorists</span> <span word="for">for</span> <span word="some">some</span> <span word="time">time</span>. <span word="While">While</span> <span word="they">they</span> <span word="previously">previously</span> <span word="had">had</span> <span word="devised">devised</span> <span word="a">a</span> <span word="theoretical">theoretical</span> <span word="answer">answer</span> <span word="to">to</span> <span word="the">the</span> <span word="question">question</span>, <span word="an">an</span> <span word="experiment">experiment</span> <span word="by">by</span> <span word="Zhijian">Zhijian</span> <span word="Wang">Wang</span> <span word="at">at</span> <span word="Zhejiang">Zhejiang</span> <span word="University">University</span> <span word="in">in</span> <span word="China">China</span> (<span word="PDF">PDF</span>) <span word="that">that</span> <span word="used">used</span> <span word="real">real</span> <span word="players">players</span> <span word="has">has</span> <span word="revealed">revealed</span> <span word="an">an</span> <span word="interesting">interesting</span> <span word="wrinkle">wrinkle</span> <span word="to">to</span> <span word="the">the</span> <span word="original">original</span> <span word="theory">theory</span>.</p><p>如何在石头剪刀布的游戏中取得胜利？这个问题长久以来一直困扰着数学家和博弈论理论家，信不信由你。前人已经就这个问题建立了一套理论，而中国浙江大学一位名叫王志坚的研究员则通过一项真人实验对前人的理论进行了十分有趣的拓展。</p><p><span word="In">In</span> <span word="the">the</span> <span word="experiment">experiment</span>, <span word="Zhijian">Zhijian</span> <span word="noticed">noticed</span> <span word="that">that</span> <span word="winning">winning</span> <span word="players">players</span> <span word="tended">tended</span> <span word="to">to</span> <span word="stick">stick</span> <span word="with">with</span> <span word="their">their</span> <span word="winning">winning</span> <span word="strategy">strategy</span>, <span word="while">while</span> <span word="losers">losers</span> <span word="tended">tended</span> <span word="to">to</span> <span word="switch">switch</span> <span word="to">to</span> <span word="the">the</span> <span word="next">next</span> <span word="strategy">strategy</span> <span word="in">in</span> <span word="the">the</span> <span word="sequence">sequence</span> <span word="of">of</span> <span word="rock">rock</span>-<span word="paper">paper</span>-<span word="scissors">scissors</span>, <span word="following">following</span> <span word="what">what</span> <span word="he">he</span> <span word="calls">calls</span> "<span word="persistent">persistent</span> <span word="cyclic">cyclic</span> <span word="flows">flows</span>".</p><p>在实验过程中，王志坚发现，在石头剪刀布的游戏中，取胜的一方往往会坚持自己的求胜策略，而失败的一方则往往会在新一轮中变换自己的游戏策略，其中起作用的是一种“惯性循环”意识。</p><p><span word="While">While</span> <span word="the">the</span> <span word="Nash">Nash</span> <span word="Equilibrium">Equilibrium</span> <span word="should">should</span> <span word="be">be</span> <span word="the">the</span> <span word="best">best</span> <span word="strategy">strategy</span> <span word="in">in</span> <span word="real">real</span> <span word="life">life</span>, <span word="Zhijian">Zhijian</span> <span word="found">found</span> <span word="a">a</span> <span word="decidedly">decidedly</span> <span word="different">different</span> <span word="pattern">pattern</span> <span word="when">when</span> <span word="he">he</span> <span word="and">and</span> <span word="some">some</span> <span word="other">other</span> <span word="researchers">researchers</span> <span word="recruited">recruited</span> 72 <span word="students">students</span> <span word="to">to</span> <span word="play">play</span> <span word="the">the</span> <span word="game">game</span>. <span word="They">They</span> <span word="divided">divided</span> <span word="the">the</span> <span word="students">students</span> <span word="into">into</span> 12 <span word="groups">groups</span> <span word="of">of</span> <span word="six">six</span> <span word="players">players</span> <span word="and">and</span> <span word="had">had</span> <span word="them">them</span> <span word="each">each</span> <span word="play">play</span> 300 <span word="rounds">rounds</span> <span word="of">of</span> <span word="rock">rock</span>-<span word="paper">paper</span>-<span word="scissors">scissors</span> <span word="against">against</span> <span word="each">each</span> <span word="other">other</span>. <span word="Zhijian">Zhijian</span> <span word="also">also</span> <span word="added">added</span> <span word="a">a</span> <span word="payout">payout</span> <span word="in">in</span> <span word="proportion">proportion</span> <span word="to">to</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="victories">victories</span>.</p>
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