A recent report by User Centric, Inc., a Chicago-based usability consultancy was submitted on the user experience of Apple's iPhone. Previously, test participants found the iPhone's touch keyboard overly sensitive despite the iPhone's overall high usability. In this usability study, User Centric compared texting experiences of iPhone owners and non-owners across devices.
User Centric collected data from 60 participants who entered specific text messages and completed mobile device tasks. Twenty iPhone owners (had iPhone for at least one month), 20 hard-key QWERTY phone (aka QWERTY) owners, and 20 numeric phone owners (multi-tap texters) all entered six fixed-length text messages on their own phones. Non-iPhone owners also entered six messages on a test iPhone and a phone of another type. The Blackberry was the other phone for numeric users while QWERTYs used a Samsung E300.
Texting Errors More Frequent on iPhones than Hard-Key QWERTY and Numeric PhonesiPhone owners entered text as rapidly as QWERTY owners on their own phones. However, iPhone owners made significantly more texting errors on their own phone (5.6 errors/message) than both QWERTY owners (2.1 errors/message) and numeric phone owners (2.4 errors/message) on their own phones, p < .01.
Interestingly, comparing texting performance between iPhone owners and novices (non-owners) on the iPhone found no significant difference in error rates.
Being a iPhone user myself I know first hand what they are talking about.Over the time I do mange to tape the right key but it is still a challenge to tap the right spot.
I would guess nicely manicured finger tips would help reduce the number of errors.So ladies if you have a iPhone; don't miss you appointment with beauticians. But for super sized men, i have only one advice God help you.
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