15 de julho de 2009

Ainda sobre falácias



Dois links com interesse:




It's good news though! A description of the tactics and appropriate response to denialism waspublished in the European Journal of Public Health by authors Pascal Diethelm and Martin McKee. It's entitled "Denialism: what is it and how should scientists respond?" and I think it does an excellent job explaining the harms of deniailsm, critical elements of denialism, as well as providing interesting historical examples of corporate denialism on the part of tobacco companies: HIV does not cause AIDS. The world was created in 4004 BCE. Smoking does not cause cancer. And if climate change is happening, it is nothing to do with man-made CO2 emissions. 

[...]  The consequences of policies based on views such as these can be fatal. [...] The rejection of scientific evidence is also apparent in the popularity of creationism, with an estimated 45% of Americans in 2004 believing that God created man in his present form within the past 10 000 years. [...]  In the United Kingdom, some faith-based schools teach evolution and creationism as equally valid 'faith positions'. [...] .  


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The Dunning-Kruger effect is an example of cognitive bias in which "...people reach erroneous conclusions and make unfortunate choices but their incompetence robs them of the metacognitive ability to realize it"[1]. They therefore suffer an illusory superiority, rating their own ability as above average. This leads to a perverse result where people with less competence will rate their ability more highly than people with relatively more competence. 

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