- From: Patrick H. Lauke <redux@splintered.co.uk>
- Date: Thu, 28 Apr 2016 16:07:39 +0100
- To: public-mobile-a11y-tf@w3.org
On 28/04/2016 15:37, Jeanne Spellman wrote: > I had an action to contact the authors of a CSUN presentation on touch > target size to ask about their research. Jennifer Ismirle answered and > is willing to answer questions next week if we have any. She sent me > her slide deck. > > The research is on accessible voting on an Android tablet. She quoted > other research as the basis for the size and spacing that they used in > the study. Remember how we started with 9mmx9mm? They used 20x20mm. I > followed her research, which led me to other research etc. One study > recommends 30mmx30mm for people with disabilities. Another showed at > least 20x20 with reduced inaccuracy at larger sizes, but less significant. > > I started a wiki page. I encourage others to add any of the information > they have from. > > https://www.w3.org/WAI/GL/mobile-a11y-tf/wiki/Summary_of_Research_on_Touch/Pointer_Target_Size#Summary_of_Research_on_Touch.2FPointer_Target_Size I quickly skimmed 3 of the referenced papers and added some quick disclaimers (to do, as you probably guessed already, with the fact that these studies provide button sizes/gap sizes in absolute physical measures, and - as extensively discussed already - authors can't guarantee actual physical measures as rendered on screen across all possible devices/resolutions/user agents). Hope that's ok P -- Patrick H. Lauke www.splintered.co.uk | https://github.com/patrickhlauke http://flickr.com/photos/redux/ | http://redux.deviantart.com twitter: @patrick_h_lauke | skype: patrick_h_lauke
Received on Thursday, 28 April 2016 15:07:51 UTC