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When Further Research Is NOT Warranted: The “Wisdom of Crowds” Fallacy

Most scientific research studies have at least one thing in common: the conclusion section ends with, “further research is warranted.” I’d say it’s about as common as the “talk to your doctor” disclaimer in TV ads for pharmaceutical products. And in a way, they both serve the same purpose. They’re a “CYA” move.

What does “further research is warranted” mean in plain English? I think it can be roughly translated: “My research study is not of the size or scope to fully explain all the phenomena described in this article. Therefore, draw conclusions beyond the data and study methods at your own risk. And yeah, my work is important and cool – so people should study it further.”

Of course, the first two sentences are reasonable – we should always remember not to draw conclusions beyond the information provided by the data we’ve collected (even though that’s about as challenging as getting a beagle not to eat a table scrap in an empty room). The real problem is the third sentence. Is the research promising enough to require further investment? How are we to know if further research is indeed warranted? I would argue that it should not be based solely on the subjective opinions of the researchers nor the popularity of the research topic to the general public. (more…)

Posted in: Clinical Trials, Science and Medicine

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