Word: validated
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Dates: during 2000-2009
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...long tests might actually be of some value if they produced valid results, but the question themselves are flawed. The typical MCAS question is incredibly open-ended and vague, often focusing on a specific subject matter that a student has not yet covered in class. For schools and teachers to cover all the required material on the MCAS, they must sacrifice any freedom they had in choosing their own curricula. Their only option is a mindless, cramming style of teaching...
...many-worlds interpretation of quantum mechanics, the universe is incredibly prolific, since each particle in the cosmos produces a multitude of new universes in each instant--and in the next instant, every one of these new universes fragments again. Yet plenty of physicists consider this to be a perfectly valid idea. And if it's correct, the number of universes evolving in parallel is far greater than we could ever count...
...have consistently gotten the short end of the stick," says Sanders. So just as an odd coalition of religious conservatives and feminists will continue to trumpet the benefits of same-sex classrooms, the ACLU will continue to champion civil rights laws - even at the expense of another, perhaps equally valid viewpoint...
...women who already had ailing hearts. Both followed their patients for a relatively short time--three to four years. It's quite possible that estrogen is better at preventing the onset of heart problems than it is at treating existing disease. We won't know whether that hypothesis is valid for five more years, when a much larger study on the effects of estrogen in healthy women reaches its conclusion...
...some extent, this concern is valid, Wang says...