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Scandum, the Newsweek article makes the link between the flynn effect and creativity.   I'm just basing my info off of the article, assuming someone in the know wrote the article. (see link below)
""Like intelligence tests, Torrance’s test—a 90-minute series of discrete tasks, administered by a psychologist—has been taken by millions worldwide in 50 languages. Yet there is one crucial difference between IQ and CQ scores. With intelligence, there is a phenomenon called the Flynn effect—each generation, scores go up about 10 points. Enriched environments are making kids smarter. With creativity, a reverse trend has just been identified and is being reported for the first time here: American creativity scores are falling.""http://www.newsweek.com/2010/07/10/the-creativity-crisis.html   "