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November 02, 2003
The two methods
A few weeks ago I read an old review (PDF format) of several books (Race, Evolution and Behavior, Human Biodiversity, The Bell Curve and The Evolution of Racism) by occasional Gene Expression reader & anthropologist Henry Harpending. This section caught my attention:
(originally published in Evolutionary Anthropology, my emphasis) Now, Henry makes a few broad sweeps and generalizations (to get to the point of making a model, obviously scientists using induction to note patterns)[1]. But:
I also emphasized the point that Henry makes that science is aesthetically barren. We can all imagine the typical college educated person curling up with a thousand page book on the Russian Revolution-but it is a stretch of the imagination to imagine them wiling away holiday hours on the beach with a Calculus text[2]. Why is this? I think it is obvious that some of our aesthetic sensibility is shaped by our evolution, so some of us are pre-disposed to find history, social science and the liberal arts, interesting and accessible in a way that technical modern science is not and has never been to the vast majority of the human race. And if we have an evolutionary predisposition to something, it implies that whatever that thing is, has been around for a long time, ergo, history, social science, fiction, etc. have been around for a long time, what I refer to as "storytelling." In contrast, modern science is a new thing, and it tends to jar our sensibilities and fly in the face of intuition. More later.... fn1. I was also told in freshmen chemistry by my professor that Mendeleev's Periodic Table was created mostly through induction. fn2. We all laughed when candidate Bush asserted that he was reading a biography of Dean Acheson. Nevertheless, we would really have thought it was weird if he said he was reading an organic chemistry text.
Posted by razib at
10:05 AM
Ironically, the description of inductive chemistry is almost exactly how we use microarray data in biology. This explains well why some are so critical of their use. However, in defense of microarrays (or induction in general) -- they generate a lot of testable hypotheses. Posted by: Eric at November 2, 2003 11:08 AMPeirce defined three kinds of investigation -- inductive, deductive, and abductive. Abduction is, as I understand, the formation of hypotheses, and is prior to any scientific work -- "the science of guessing" I think he called it. Pragmatists are, in my opinion, the best at understanding the chanciness and venturesomeness of science in its crucial beginning stages. Many philosophies of science start with the finished science and work backward to the starting point, but without recognizing that the bad guesses and false starts and dead ends were an essential part of the process. (At one point Kepler tried to use the mathematical ratios of the pentatonic scale to analyze the five visible planets. Didn't work). Posted by: zizka at November 3, 2003 07:38 AM |
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