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From: Peter Ceresole on 19 Mar 2010 16:31 James Jolley <jrjolley(a)me.com> wrote: > > I used one for a year at least, but then realised that for me everything > > was actually easier and quicker with a mouse. So I gave the fat > > Kensington away. > > I'd be interested in this because many disabled users prefer them for > accessibility. Are there any studies done comparing the productivity > rate of someone using a trackball rather than a mouse? I don't know, but I know that my old fat Kensington trackball was passed on to somebody who had problems using a mouse- and I was told that they loved it. I can also easily see how, for somebody who doesn't have effective vision, the fixed reference point of a trackball as opposed to the boundless prairies of a mouse mat might make a great deal of difference. -- Peter
From: J. J. Lodder on 19 Mar 2010 16:47 Peter Ceresole <peter(a)cara.demon.co.uk> wrote: > J. J. Lodder <nospam(a)de-ster.demon.nl> wrote: > > > Not giving up the big old Kensinton trackball yet. > > I used one for a year at least, but then realised that for me everything > was actually easier and quicker with a mouse. So I gave the fat > Kensington away. I have the mouse still connected, and rarely use it. Guess it also depends strongly on how big your screen is, Jan
From: Peter Ceresole on 19 Mar 2010 18:08 J. J. Lodder <nospam(a)de-ster.demon.nl> wrote: > I have the mouse still connected, and rarely use it. > Guess it also depends strongly on how big your screen is, I use a 17" iG5. Seems a nice mousy match. -- Peter
From: J. J. Lodder on 20 Mar 2010 05:05 Peter Ceresole <peter(a)cara.demon.co.uk> wrote: > J. J. Lodder <nospam(a)de-ster.demon.nl> wrote: > > > I have the mouse still connected, and rarely use it. > > Guess it also depends strongly on how big your screen is, > > I use a 17" iG5. Seems a nice mousy match. Mine is 3520x1200, that is 1920x1200 and 1600x1200 side by side. The customisable acceleration of the kensington makes that easiy manageable, without losing fine control. Just push the ball and let it spin, Jan
From: James Jolley on 20 Mar 2010 09:21
On 2010-03-19 20:24:58 +0000, Duncan Kennedy <no-spam(a)nospam.otterson-bg.couk> said: > In message <80i2emFar6U3(a)mid.individual.net>, James Jolley > <jrjolley(a)me.com> writes >> On 2010-03-19 16:42:09 +0000, peter(a)cara.demon.co.uk (Peter Ceresole) said: >> >>> J. J. Lodder <nospam(a)de-ster.demon.nl> wrote: >>> >>>> Not giving up the big old Kensinton trackball yet. >>> I used one for a year at least, but then realised that for me everything >>> was actually easier and quicker with a mouse. So I gave the fat >>> Kensington away. >> >> I'd be interested in this because many disabled users prefer them for >> accessibility. Are there any studies done comparing the productivity >> rate of someone using a trackball rather than a mouse? >> > It may depend on the nature of your RSI! That's why I use one - I > developed RSI many years ago and although it eventually cleared, it was > not until I started using a trackball with a thumb control for the > buttons and fingers on the ball (Not the other kind with the ball in > the middle). Interesting that it worked for you. People have a love/hate relationship with them generally from what i've seen, but the disabled community tend to prefer them. As peter points out, the partially sighted would find them useful because they have a good reference point. Best -JAmes- |