Hi Norm, et al.,
I was browsing the contents of Ergonomics (I *must* get a life!) and was reminded of Norm Cox's inquiry on the above subject on 10Oct2005.
>From the list archives, his request was:
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It's been a while since I've designed a touch screen interface, so... given a 15" LCD display and finger for stylus, what's the general consensus for the size of a discreet target? In the olden days on a CRT, it was typically about 20mm or 3/4". Given the reduction in paralax, improvements in touchscreen technologies, and such, what is a "standard" target size?