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In a speed typing contest contestants compete to attain the highest accurate typing speeds.〔(【引用サイトリンク】 title=Contests - Winner of speed typing contest with prize typewriter )〕 These contests have been common in North America since the 1930s and were used to test the relative efficiency of typing with the Dvorak and QWERTY keyboard layouts.〔Readings in Applied Microeconomics: The Power of the Market, Craig Newmark, p. 219 - 220〕〔Human Motor Control, David A. Rosenbaum, p. 305〕 ==In smartphones== As of 2015, there were diverse claims regarding the fastest typing in smartphones. The typical yardstick is writing, with no mistakes, the 160-character text: ''The razor-toothed piranhas of the genera Serrasalmus and Pygocentrus are the most ferocious freshwater fish in the world. In reality they seldom attack a human.'' A disputed issue is whether auto-correct and predictive features should be allowed. Common sense indicates that they shouldn't, because when typing the record phrase several times the phone learns the text. Speed depends, then, on the phrase being repeated, a poor indicator of performance for everyday use. In the extreme, the phone could learn to predict "Serrasalmus" when typing just "Ser", but that would be extremely unconfortable in normal cirmunstances ("Ser" is the Spanish word for "Being"). In fact, Guinness World Records establishes that "To qualify for the record, no autocorrect or predictive text features are allowed to remain on".〔(Fastest touch-screen text message record officially broken with Fleksy keyboard )〕 In March 2010 Samsung posted a 35.54 record, with predictive texting and no actual footage.〔(Guinness World Record for Texting Challenge )〕 Later that year Swype, a predictive keyboard for Android and IPhone, claimed a record of 25.94 seconds, but that was with prediction features on.〔(Text Message Speed Record Broken Thanks to Swype on the Samsung Galaxy S )〕 An iPhone user posted a 21.8 seconds record but autocorrect was clearly on, with at least four mistakes being corrected (the first one in the sixth character).〔(Text messaging world record? I beat that (less than 21.8 seconds)! )〕 In April 2014 and in the midst of a publicity campaign for Windows Phone 8.1, Microsoft Research published a 18.44 seconds record, also with predictive features on.〔(Microsoft Brings World’s Fastest Texting to Windows Phone 8.1 )〕 This record, obviously dependent on pre-learning by the keyboard's memory, was object of mockery on the web.〔https://www.youtube.com/watch?v=w_lXTtMa2xg〕 In 2014, Fleksy, another predictive keyboard for smartphones, alleged a record of 18.19 seconds by Brazilian youngster Marcel Fernandes Filho.〔(Fastest touch-screen text message record officially broken with Fleksy keyboard )〕 While the firm claimed it was without autocorrection, video footage clearly showed autocorrect was on (e.g., letter "B" was pressed when writing "genera"); and the complete taping was not displayed, just bits of it. This alleged record was admitted by Guinness in spite of violating its own rules of having the autocorrect feature off. Also, a dash (crucial for the record) appeared in the main keyboard, but the dash isn't and never was a part of Fleksy's main screen. Thus, questions arose as to whether Guinness had been object of a misinformation scheme or even a party in it.〔(How were the Guinness People Duped? )〕 In November 2014, Fleksy claimed Mr Fernandes Filho had broken his own record, in a larger phone, but later removed the video.〔(We’re dropping price, and breaking world records (again)! )〕 With phone sizes increasing and phablets entering the market, speed naturally rises so it becomes reasonable to establish size-dependent records. In 2015 TipType, a What-You-Type-Is-What-You-Get keyboard on a QWERTY layout but based on sliding movements rather than pressing, launched a speed contest for phones of traditional size. The company posted a 25 seconds record with a Samsung s3 Mini on Youtube and promised USD 500 to anyone bettering that record in a touchscreen of size 4.5" or less, with Guinness World Records rules.〔(TipType Challenge, march 2015 )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Speed typing contest」の詳細全文を読む スポンサード リンク
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