Word: rigorousity
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HALLUCINOGENS Things are trickier when it comes to LSD and its hallucinogenic kin, but reports suggest that most '60s trips ended relatively benignly. The most rigorous studies of hallucinogens have been conducted not on boomers, who used the drugs intermittently and furtively, but on Native American populations for whom consumption...
What did the experiment test, and how credible are the results? The study, published last week in the New England Journal of Medicine, was a rigorous trial of 429 women who had Stage 3 ovarian cancer and were randomly assigned to receive chemotherapy either intravenously or through both the bloodstream...
First, the most rigorous study of Teach For America to date indicates that Teach For America teachers have a positive impact on student achievement. Mathematica Policy Research compared the academic gains of students taught by Teach For America corps members with the gains of similar students taught by non-Teach...
If we are to close the achievement gap that persists in low-income communities, it is imperative that we continue this kind of rigorous debate about how best to train and support teachers in those communities. For 15 years, we have been engaged in an intense learning curve about what...
But in the months since Snuppy's debut in the journal Nature, Hwang's saga has been rewritten--as a Greek tragedy. One by one, he has faced an escalating series of charges: first, that some women had been paid for the eggs they provided for his research, and that...