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If what you saw with your own eyes (or observed directly in any other way) conflicted with a vicarious account from a "highly respected" scientist in a "highly respected" scientific journal, which would you believe? Yourself, or the scientist?
I would accept the scientific consensus (as opposed to just a single scientist).
But even still, the single study by the single scientist in the peer-reviewed journal has an enormous advantage over my eyewitness account, and that is that its methodology was designed to combat all sorts of natural bias that humans have and thought errors that humans naturally make all the time.
My direct observation probably lacks this methodology.
After all, it is really extremely easy to be mistaken in our perceptions.
Example: cargo cults.
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What if you were someone with no scientific background whatsoever. Which should you believe?
It would be even more likely, in that case, that the person who had the experience should defer to science, since they likely aren't aware of everything I explained above about scientific methodology.
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I would always believe the evidence of my own eyes. Some people would be amazed at how easily experts can misinterpret observations or rely on weak assumptions.
But if you aren't an expert yourself, then how on earth would you know if they misinterpreted anything, or made weak assumptions?
What about memory? Do you trust your own memory in a similar way that you trust your other perceptions?
To quote the late Richard Feynman:
"Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool."
From lecture "What is and What Should be the Role of Scientific Culture in Modern Society", given at the Galileo Symposium in Italy, 1964.
Edited by nator, : No reason given.
Edited by nator, : No reason given.