Word: mathematica
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...scientists around. He got his Ph.D. in theoretical physics from Caltech in 1979 at the astonishing age of 20. A year later, he became the youngest person ever to receive a so-called genius grant from the MacArthur Foundation. He went on to write a scientific computing program called Mathematica that was so successful it made him a millionaire many times over. And then he dropped out of public view. What ever happened, people wondered, to Stephen Wolfram...
Last Friday, the Times reported that Mathematica Policy Research, a think tank that provides academic data, took the unusual step of questioning the conclusions of a school vouchers study by Shattuck Professor of Government Paul E. Peterson...
...last week's press release by Mathematica called the validity of the study into doubt, questioning Peterson's use of data. The release prompted Kate Zernicke's article, "New Doubt is Cast on Study that Backs Voucher Effects," in Friday's Times...
...Those findings are not in any way disputed by Mathematica. They agree that the effects in New York were statistically significant," Peterson said...
However, when the figures were broken down by grade, Mathematica found no increase in test scores among third through fifth graders, with the only significant increase in the sixth grade classes...