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Re: Default, place-holding characters

for

From: Peter Van Dijck
Date: Feb 18, 2002 2:01AM

> Jeff Johnson, I think in his book "GUI Bloopers" mentions that radio
buttons should be used when the user 'has' to select from a number of
options and can't leave something blank. If there is a situation where none
of the options are to be selected check boxes can be used.

No, that's bad interface design. Radio buttons are used if you can select
only one option out of many. If "none of the following" is an option, you
should include "none of the following" with a radio button. Checkboxes are
used if you can select 0, or one or more option.
Peter
http://petervandijck.net



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