Tuesday, July 27, 2010

The Difference between ‘True Science’ and ‘Cargo-Cult Science’

How does one distinguish between science and pseudoscience, between true science and cargo-cult science?  Many believe that Karl Popper’s falsifiability criterion provides it, but Popper’s criterion has numerous difficulties, which philosophers have pointed out. Feynman has provided a much better way to test for true science in his essay “Cargo-Cult Science”:

… there is one feature I notice that is generally missing in cargo cult science.  … It’s a kind of scientific integrity, a principle of scientific thought that corresponds to a kind of utter honesty — a kind of leaning over backwards.  For example, if you’re doing an experiment, you should report everything that you think might make it invalid — not only what you think is right about it: other causes that could possibly explain your results; and things you thought of that you’ve eliminated by some other experiment, and how they worked — to make sure the other fellow can tell they have been eliminated.

Compare Feynman’s scientific integrity with the continual attempts by the leaders of climate “science” to prevent skeptics from checking their data. True scientists would be extremely pleased to provide all raw data, and they would make the data available to all on the Internet. A state attorney general would not have to file suit to make them disgorge.

via instapundit.com

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