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Re: the IBM keyboard

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Quoting Carl Fink (carl@finknetwork.com):
> On Sun, Aug 30, 2015 at 07:54:11PM -0500, rlharris@oplink.net wrote:
> 
> > Eventually, at the stroke of midnight on 31 December A.D. 1999, M$ Word
> > 5.0 for DO$ began writing garbage to the data files.  This is one of the
> > very few genuine "Y2K" bugs.  M$ had no patch, but offered instead a free
> > copy of Word 5.5.  But who in his right mind would migrate to 5.5?  Word
> > 5.0 was the last version of Word for DO$ which could be used without aid
> > of the rodent, and a rodent is anathema to efficiency.
> 
> This is not supported by evidence, e.g.
> <http://facweb.cs.depaul.edu/sjost/csc423/examples/anova/efficiency.pdf>

I'm struggling to see how this reference backs up your assertion.
The use-case is not word-processing (Word) where both hands are
expected to be on the keys most of the time. This study prepared the
hands on the mouse (for the mouse method) in advance (penultimate
paragraph). This might be sensible if you were dealing with
Illustrator/CorelDraw etc but not word processing.

Looking at the size of some toolbars nowadays, and the proportion of
real estate left for the text, it's arguable that the desirability of
a toolbar is moot. So the very last sentence supports the keyboard.

Moving back to the antepenultimate paragraph, 90 trials might be an
adequate number for some ad hoc banking application involving US
states, but can hardly be considered adequate for a power-user (like
RLH) of a textual application where individual commands that have been
used hundreds of times will be typed without any conscious effort at
all, rather like a pianist plays ornaments.

> Jacob Nielsen has argued that people _feel_ more efficient using just the
> keyboard, but objective measurements don't agree.

This statement has no context by which to judge it.

Cheers,
David.

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the IBM keyboard rlharris@oplink.net - 2015-08-31 03:00 +0200
  Re: the IBM keyboard Karen Lewellen <klewellen@shellworld.net> - 2015-08-31 03:20 +0200
    Re: the IBM keyboard rlharris@oplink.net - 2015-08-31 03:40 +0200
      Re: the IBM keyboard Doug <dmcgarrett@optonline.net> - 2015-08-31 06:20 +0200
        Re: the IBM keyboard Karen Lewellen <klewellen@shellworld.net> - 2015-08-31 06:50 +0200
      Re: the IBM keyboard Stuart Longland <stuartl@longlandclan.yi.org> - 2015-09-03 23:30 +0200
    Re: the IBM keyboard Dan Ritter <dsr@randomstring.org> - 2015-08-31 17:00 +0200
  Re: the IBM keyboard Carl Fink <carl@finknetwork.com> - 2015-08-31 03:30 +0200
    Re: the IBM keyboard David Wright <deblis@lionunicorn.co.uk> - 2015-08-31 04:40 +0200
      Re: the IBM keyboard rlharris@oplink.net - 2015-08-31 05:40 +0200
      Re: the IBM keyboard David Wright <deblis@lionunicorn.co.uk> - 2015-08-31 06:20 +0200
      Re: the IBM keyboard Stuart Longland <stuartl@longlandclan.yi.org> - 2015-09-03 23:30 +0200

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