[情報] 放棄作答的可怕效應
剛剛吃飽沒事做，又跑去逛了一些美國的論壇，看到一篇文章說去參加
GMAC Test Prep Summit， 就是GMAT的高峰會（竟然有這種東西，是要
討論怎么折磨考生或者如何騙更多錢嗎？），然后GMAC的統計師分享了
一個驚人的資訊
Skipped questions hurt your score more when you are scoring high.
Here is real data, shared by GMAC:
‧ If your percentile score is otherwise 70th, and you skip one
question, your score drops to 65th percentile.
‧ If your percentile score is otherwise 70th, and you skip three
questions, your score drops to 55th percentile.
Skipped question 就是最后放棄作答的題目，每放棄一題基本上掉5個
percentile， 在高分區效應尤其明顯，所以假設本來是700分，90th
percentile，放棄一題就大概會掉7個 percentile，幾個月的努力馬上
付諸東流，所以大家記得寧可猜也一定要做完啊
原文如下：
http://www.beatthegmat.com/a/featured-articles
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