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Date: | Wed, 27 Jul 2005 18:08:26 -0400 |
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Incorporated, a worldwide network of science museums and related institutions.
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Dave, I've long had a "by guess and by golly" rule that we should try to
have
every experience come available to a new person every 90 seconds. So, a
three minute experience should be twinned, etc.
I arrived at that by timing how long people would wait before they showed
signs of impatience, or moved on to another exhibit. It was rather
unscientific;
I did not have a statistical sample.
Like you, I'd be interested to hear what others think of this matter, and
if there
are good measurements.
Marty, for multimedia exhibits, there are several examples of a request,
after
x minutes or a complete cycle, to let someone else use the exhibit.
Regards, Peter Anderson
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