Animal cross-fostering, race and IQ, and the deductivist’s fallacy

I wish to coin a fallacy I’ve seen a number of times, exemplified in this paper: Kempthorne, O. (1978). A BIOMETRICS INVITED PAPER: Logical, epistemological and statistical aspects of nature-nurture data interpretation. Biometrics, 1-23. Abstract: In this paper the nature of the reasoning processes applied to the nature-nurture question is discussed in general and with…

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Causality, transitivity and correlation

Disclaimer: Some not too structured thoughts. It’s commonly said that correlation does not imply causation. That is true (see Gwern’s analysis), but does causation imply correlation? Specifically, if “→” means causes and “~~” means correlates with, does X→Y imply X~~Y? It may seem obvious that the answer is yes, but it is not so clear….

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Stereotypes are relevant for judgments about individuals even when one has individualized information

Title says it all. Apparently, some think this is not the case, but it is a straightforward application of Bayes’ theorem. When I first learned of Bayes’ theorem years ago, I thought of this point. Back then I also believed that stereotypes are irrelevant when one has individualized information. Alas, it is incorrect. Neven Sesardic…

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Introductory material to logic

Someone needed this, so I made a quick collection.   Introductory and more philosophical www.sfu.ca/~swartz/pw/text/pw_all.pdf   Introductory not so philosophical/more formal emilkirkegaard.dk/en/wp-content/uploads/0415400678.Routledge.Logic_.An_.Introduction.Dec_.2005.pdf emilkirkegaard.dk/en/wp-content/uploads/0262511266.The_.MIT_.Press_.Logic_.Primer.-.2nd.Edition.Feb_.2001.pdf emilkirkegaard.dk/en/wp-content/uploads/A-Concise-Introduction-To-Logic-Hurley-7th-ed.pdf   More advanced and very formal emilkirkegaard.dk/en/wp-content/uploads/An-Introduction-to-Non-Classical-Logic-From-If-to-Is.pdf

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Kennethamy on voluntarianism about beliefs

From here. btw this thread was one of the many discussions that helped form my views about what wud later become the essay about begging the question, and the essay about how to define “deductive argument” and “inductive argument”. Reconstructo  Do you know much about Jung’s theory of archetypes? If so, what do you make…

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