http://www.thedailycamera.com/news/talbott/20lclin.html
A science fair's teachable moment
Clint Talbott
[...]
Dave Thielen is a Ph.D. physicist who works at a local high-tech firm.
He was pleased that his 8-year-old daughter completed a science-fair
exhibit titled "Does Skin Color Make a Difference?" The girl dressed a
white Barbie and a black Barbie in two different dresses, one of which
was lavender. She asked 15 adults which Barbie they preferred. Then
she switched dresses and asked 15 other adults the same question.
[...]
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--David Epstein
[EMAIL PROTECTED]