From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bakul Shah Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-4--690008123 Date: Fri, 17 Jun 2011 09:54:33 -0700 In-Reply-To: To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> References: <146a1427-22a0-48ed-85ab-fe7d13bef318@b21g2000yqc.googlegroups.com> Message-Id: <08D916BD-933C-453D-A66B-680C1635B3F4@bitblocks.com> Subject: Re: [9fans] Mousing is faster than typing but users do not believe it Topicbox-Message-UUID: f1a01ad8-ead6-11e9-9d60-3106f5b1d025 --Apple-Mail-4--690008123 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 I am all for more intuitive HCI design but frankly, if the small speed = difference either way in mousing vs typing saves you enough time to make = it worth retraining your brain and fingers, you are spending way too = much time in front of the puter and have already shortened your life by = more than you will save by any optimal use of mousing/keyboarding!=20 On Jun 17, 2011, at 8:39 AM, Paul Lalonde wrote: > It sounds easy. But few folks on this list are HCI researchers (I'll = tell you it's odd going from GPU design to HCI - but it's fun!). >=20 > None of the micro-tasks (mouse vs keyboard) that folks are going on = about on this list is meaningful to measure. We know keyboards are good = for some things, and mice are good for others. Leaving off my personal = religion and anecdotes (I use acme as my editor of choice), the only = meaningful measure is how well the whole system functions for your = tasks. And to really measure that you need similar measures of = expertise. So we can compare vi to notepad, for example, and find that = "keyboard is better than mouse" by some measure, but grab an expert acme = user vs vi, and perhaps acme comes out ahead on some task completions = and behind on others. >=20 > There are, however, good models of what various interactions cost - = the bibilography on doi 10.1145/1978942.1979088 (Bonnie John, "Using = Predictive Human Performance Modls of Inspire and Support UI Desgin = Recommendations") is a recent starting point on predictive modelling for = interface design (that I have in front of me - I know there's better = sources). I'd recommend becoming familiar with this literature, and = then trying to make the "mouse vs keyboard" argument witha straight = face. >=20 > Paul >=20 > On Fri, Jun 17, 2011 at 6:55 AM, Iruat=E3 Souza = wrote: > On Fri, Jun 17, 2011 at 4:57 AM, Guilherme Lino = wrote: > > better with it... but generally keyboard is much faster on most day = tasks, > > people just don't have the patience to learn it > > >=20 > Measuring the keyboard versus mouse speed is such a trivial experiment > to repeat. > Still, as Noah pointed out, people rely on intuition. >=20 >=20 >=20 >=20 > --=20 > I'm migrating my email. plalonde@telus.net will soon be disconnected. = Please use paul.a.lalonde@gmail.com from now on. >=20 >=20 --Apple-Mail-4--690008123 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 I am = all for more intuitive HCI design but frankly, if the small speed = difference either way in mousing vs typing saves you enough time to make = it worth retraining your brain and fingers, you are spending way too = much time in front of the puter and have already shortened your life by = more than you will save by any optimal use of = mousing/keyboarding! 

On Jun 17, 2011, at = 8:39 AM, Paul Lalonde wrote:

It sounds = easy.  But few folks on this list are HCI researchers (I'll tell = you it's odd going from GPU design to HCI - but it's = fun!).

None of the micro-tasks (mouse vs keyboard) = that folks are going on about on this list is meaningful to measure. =  We know keyboards are good for some things, and mice are good for = others.  Leaving off my personal religion and anecdotes (I use acme = as my editor of choice), the only meaningful measure is how well the = whole system functions for your tasks.  And to really measure that = you need similar measures of expertise.  So we can compare vi to = notepad, for example, and find that "keyboard is better than mouse" by = some measure, but grab an expert acme user vs vi, and perhaps acme comes = out ahead on some task completions and behind on others.


Paul

On Fri, Jun 17, 2011 at 6:55 AM, Iruat=E3 Souza <iru.muzgo@gmail.com> = wrote:
On Fri, Jun 17, 2011 at 4:57 AM, Guilherme Lino <guih.lino@gmail.com> = wrote:
> better with it... but generally keyboard is = much faster on most day tasks,
> people just don't have the patience to learn it
>

Measuring the keyboard versus mouse speed is such a trivial = experiment
to repeat.
Still, as Noah pointed out, people rely on intuition.




--
I'm migrating = my email.  plalonde@telus.net will soon be disconnected. =  Please use paul.a.lalonde@gmail.com from now on.



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