From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: <146a1427-22a0-48ed-85ab-fe7d13bef318@b21g2000yqc.googlegroups.com> Date: Fri, 17 Jun 2011 08:39:35 -0700 Message-ID: From: Paul Lalonde To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: multipart/alternative; boundary=0016369201cc507c2d04a5ea313d Subject: Re: [9fans] Mousing is faster than typing but users do not believe it Topicbox-Message-UUID: f1818b40-ead6-11e9-9d60-3106f5b1d025 --0016369201cc507c2d04a5ea313d Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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 o= n 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 ou= t ahead on some task completions and behind on others. 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. Paul 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 > > > > Measuring the keyboard versus mouse speed is such a trivial experiment > to repeat. > Still, as Noah pointed out, people rely on intuition. > > --=20 I'm migrating my email. plalonde@telus.net will soon be disconnected. Please use paul.a.lalonde@gmail.com from now on. --0016369201cc507c2d04a5ea313d Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable It sounds easy. =A0But 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 ar= e going on about on this list is meaningful to measure. =A0We know keyboard= s are good for some things, and mice are good for others. =A0Leaving off my= personal religion and anecdotes (I use acme as my editor of choice), the o= nly meaningful measure is how well the whole system functions for your task= s. =A0And to really measure that you need similar measures of expertise. = =A0So we can compare vi to notepad, for example, and find that "keyboa= rd 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 behin= d on others.

There are, however, good models of what various interac= tions cost - the bibilography on doi=A010.1145/1978942.1979088= =A0(Bonnie John, "Usi= ng Predictive Human Performance Modls of Inspire and Support UI Desgin Reco= mmendations") is a recent starting point on predictive modelling for i= nterface design (that I have in front of me - I know there's better sou= rces). =A0I'd recommend becoming familiar with this literature, and the= n trying to make the "mouse vs keyboard" argument witha straight = face.

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 mu= ch 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 experimen= t
to repeat.
Still, as Noah pointed out, people rely on intuition.




--
I'm migrating = my email. =A0plalon= de@telus.net will soon be disconnected. =A0Please use paul.a.lalonde@gmail.com f= rom now on.


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