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>The nice thing about a 'hidden' vote is how you vote isn't immediately
>influenced by seeing how everyone else votes.

Our ChemMystery exhibit uses a hidden coin-histogram setup for 
visitors to vote for the one (or more) suspects they think committed 
the crime.  You cast your vote on one side of an 8' x 8' panel by 
inserting a penny into the slot corresponding to your favorite 
suspect; then you get to see the histogram of everyone's votes when 
you walk around the other side of the panel on your way out of the 
exhibit.


-- 
~~

Allan Ayres
Exhibit Developer
Lawrence Hall of Science
University of California, Berkeley
Berkeley, CA 94720-5200
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