Editor-In-Chief: Half of All [Research] Literature Is False
Dr. Horton recently published a statement declaring that a lot of published research is in fact unreliable at best, if not completely false....
InvestmentWatchBlog.com: "Editor In Chief of World's Best Known Medical Journal: Half of All the Literature Is False" (May 21, 2015)
http://www.investmentwatchblog.com/edit ... e-is-false
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It's not all that surprising. That's why you need to look at reproducibility, an unfortunately often overlooked aspect of the scientific method. Generally, if all you've got to support a position is some study decades in the past that has not been reproduced, your position is in trouble; on the other hand, if it gets reproduced time and time again, it's likely to be much more reliable. It's best when you have numerous journals and research groups time and time again getting the same results.
I've seen in various fields, be they on the question of gay rights, climatology, and medicine, where people will quote at most a few, often really old studies, and swear by them, even though they have hardly or not at all been reproduced.
It's not surprising, because I've come across numerous studies that have not been reproduced or have been reproduced much less than would be expected from the time the studies were published.
EDIT: And of course, you also want to look at the quality of the studies, such as by looking at sample sizes.
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"You have a responsibility to consider all sides of a problem and a responsibility to make a judgment and a responsibility to care for all involved." --Ian Danskin
The source in the OP's link seems to be in agreement regarding reproducibility (which they call replicability), with a lot more valuable info. Also, to clarify, this discussion is about the medical, not the non-medical scientific literature (the latter seems to be put up as an example for the medical research to follow in this discussion):
http://www.thelancet.com/pdfs/journals/ ... 0696-1.pdf
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"You have a responsibility to consider all sides of a problem and a responsibility to make a judgment and a responsibility to care for all involved." --Ian Danskin
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the biggest problem with research is funding. Researchers are less apt to recieve funding for their next project if they fail to prove the hypothesis of their last project--this is somehow seen as a failure by many funders.
Also, many funders have an agenda, and researchers are under pressure to give them the results "they pau for."
A big reason why this has happened is because of government cuts to Universities.
Universities are not just shcools, but research centers too. When there was more government funding, researchers were much more free to do research and follow up on other research, guided by actual results.
The way it is now, research is about finding funding rather than finding knowledge.
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