Oh! Do you want to guess which numeric keypad ordering (telephone vs. calculator) is proved to be better according to a study?
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Already I'm more interested in the metric they used than the results they found.
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OK, I'll guess calculator.
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Replying to @mwichary @WideSpacer
I'd bet on telephone. Because that answer would make me sad
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Ah, the "why else would you be asking" answer.
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Replying to @WideSpacer @obra
The answer is telephone! According to these papers, at least.
@WideSpacer, let me know if you dig into this before I do. :·)pic.twitter.com/exOk9c1GTt
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This is how Bell decided what to do: https://mrserge.lv/assets/human-factors-engeneering-studies-of-the-design-and-use-of-pushbutton-telephone-sets.pdf …
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Although the numbers don't seem to match their conclusions. It looks like copying the dial layout was faster and had less errors.
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Replying to @WideSpacer @mwichary
To be fair, their subject pool was dramatically more familiar with rotary dials.
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I found this photo of a keyboard I took that has four different digit sections. 0_Opic.twitter.com/LIHupV2xZp
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