life & amp;work


September 19, 2005 at 12:00a.m.


LIFE & amp;WORK
Testing for dollars
kDAWN SCROFANO is among thousands of Americans who, for a freebie, a few bucks or hundreds of dollars, give opinions or try products. Researchers say such "guinea pigs" can give companies an edge before goods and treatments are unleashed on the public.
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