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Thread: Good explanation of types of research studies

  1. #1
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    Good explanation of types of research studies

    http://www.uihealthcare.com/topics/m...t/studies.html

    They claim randomized trials are the best approach when there is no certain treatment. Thus this applies to sub-surgical scoliosis curves.

    They equate controlled studies with retrospective studies. Apparently they are calling prospective control studies "randomized trials" (i.e., the "best" approach in their opinion). So I agree that prospective controlled studies, irrespective of what you call them, are the best approach forward. It's how science operates or should operate as far as I know.

    That said, I don't see why a retrospective controlled study is worse than a prospective controlled study if you have appropriate study criteria available.
    Last edited by Pooka1; 12-21-2008 at 09:57 PM. Reason: cleaned up the "thinking" :)
    Sharon, mother of identical twin girls with scoliosis

    No island of sanity.

    Question: What do you call alternative medicine that works?
    Answer: Medicine


    "We are all African."

  2. #2
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    Controls as the gold standard

    And just by way to further drive home the point of needing controlled studies, this article virtually HARPS on the lack of controlled studies in evaluating various studies in the literature. They don't defend the need for controlled studies but rather ASSUME it.

    http://odphp.osophs.dhhs.gov/pubs/gu.../text/CH47.txt

    Science is science.
    Last edited by Pooka1; 12-21-2008 at 10:29 PM.
    Sharon, mother of identical twin girls with scoliosis

    No island of sanity.

    Question: What do you call alternative medicine that works?
    Answer: Medicine


    "We are all African."

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