# Tag Info

0

Is there a usability problem here in that I might be implying that these breaks mean something? (They don't...it's just one large number) If you use chunks of 3, like in 123 456 789 it might be read as “123 million, 456 thousand and 789”, which might not be desired.

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Digit Span Tests 6 is the average The adult average for the famous (auditory) digit span test is just above 6. The average for visual digit span test is roughly the same. Around 80% of adult population will score between 5-8 in such tests, and people scoring 4 or below will be suspected of some cognitive impairment. 4 is the boundary This means that ...

1

Three or four digit chunks make the string more readable and repeatable. The advantage of three digits is that there will be either a remainder of one or two, so the last item in the list would be 4 digits or the last two would be 4 digits. Using four digits is easiest when copying information - say a license key from the cd case (remember those?). I ...

4

Telephone numbers are an interesting example. Different countries chunk differently. The US uses 3-3-4 (a hangover from the days of area code (3), exchange (3), subscriber (4)) - but in France they use five 2-digit pairs, and pronounce them as the combined number: "zero-six, quatre-vingt-treize, soixante-onze, douze, dix-huit" for 06 93 71 12 18 (and ...

0

Thumb Rule: 3-4 chunks with 3-4 digits each. real life examples : While using credit card there are 16 digits they are chunked to 4 chunks of 4 digits. Mobile numbers (10 digits) are also chunked 3-3-4. This article cites many psychology papers an research studies. Read the part "optimal size of chunking" Also I learned "this rule of thumb" from "Human ...

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I don't know about the thumb rule. But if it is about making the user easily readable then may be its fine with progressive number pattern For 14 digit 12 123 1234 12345 Like if i am telling you the number my mind will find the first two digits a simple then my mind will be ready for a little bit crazy length of the number which may go up to five ...

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4 digits is time-tested chunking for large numbers 3 to 4 digit chunks are easy to read accurately. Perceptually, the eye tends to read words and not letters across a page, and a 3-4 letter word allows the eye to read the end points and the middle letters of the word accurately without disorientation. Once the word gets too long, the letters in the ...

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