整数偏好
曾经在跑步机上挥洒汗水的你，是否在准备放弃时因为瞄到自己已经跑了2.9英里而咬咬牙坚持到3英里？为什么要这么做呢？或许是因为整数对我们有内在激励作用，就算是在达到整数对我们也没啥明显好处的情况下。这一结论来自《心理科学》（Psychological Science）上的一项研究。
研究人员分析了美国职业棒球大联盟（Major League Baseball）30年来的击球率和实况数据，发现球员以0.300的打击率结束赛季的可能性是0.299的四倍，球员会通过决定什么时候挥棒、什么时候保送、什么时候夹打，来有意地控制他们的击球率。
对400多万份SAT成绩的调查也显示出了类似的趋势。比如，得分为1290分的学生比1300分的学生更有可能重考，尽管招生数据显示……[查看全文]
People Drive to Reach Round-Number Goals
Ever been running the treadmill, exhausted, ready to quit—but you’re at the 2.9 mile mark, so you run that last 10th to make it an even three? Why do you do it? Well it may be because round numbers areintrinsicallymotivating to us, even if there’s no obvious reward for reaching them. That’s according to a study in the journalPsychological Science.
Researchers studied three decades of Major League Baseball batting averages and play-by-play data. They found that players were four times as likely to end the season with a batting average of .300, rather than .299. And players purposely manipulated their averages, by choosing when to swing away or work out a walk, or when to be pinch-hit for.
Examining over four million SAT scores revealed a similar trend. Students with scores of, say, 1,290 rather than 1,300 were more likely to retake the test—even though admissions data showed that…[full transcript]
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