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Typists were fooled with typos they had not made on screen as they worked. But their fingers behaved differently when they saw a fake typo versus when they made a real one. Christopher Intagliata reports
打字員打字時，盡管沒有打錯，也被屏幕上的錯誤愚弄。但是他們的手指卻能分得出他們是不是真的打錯了。Christopher Intagliata報導。
Whether you're a hunt-and-peck typist or a Rachmaninoff of the keyboard, you will make mistakes. But it's not just your eyes catching typos when you see them on the screen. Your hands know when you mess up too. That’s according to a study in the journal Science. [Gordon Logan and Matthew Crump, "Cognitive Illusions of Authorship Reveal Hierarchical Error Detection in Skilled Typists"]
Researchers recruited expert typists—college students, of course—and showed them 600 five-letter words, one at a time. And they asked the students to type those words as quickly and accurately as possible. But sometimes, the researchers inserted typos in the word as it appeared on screen, when the students hadn’t made one. Other times they automatically corrected typos the students did make.
And the students tended to believe the screen. So if a typo had been added, they figured they must have messed up. If a typo had been corrected they thought they typed it right. But the hands didn't fall for it. When the fingers slipped up, they paused a split second longer than usual before typing the next letter. But they didn't pause when fake typos appeared on-screen only. So we apparently have two discrete mechanisms guarding against typing errors, one visual, the other tactile. To fox quick brown fixes. To fix quick brown foxes.
—Christopher Intagliata
[The above text is an exact transcript of this podcast.]
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