What is Rationality? | Less Wrong - 0 views
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Rationality is the ability to do well on hard decision problems. Another central theme of rationality is truth-seeking. Truth-seeking is often used as an aid to decision-making: if you're trying to decide whether to get a cryonics policy, you might want to find out whether the technology has any good evidence suggesting that it might work. We can make good decisions by getting an accurate estimate of the relevant facts and parameters, and then choosing the best option according to our understanding of things; if our understanding is more accurate, this will tend to work better.
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Rationality is also the art of how to systematically come to know what is true. Often, the processes of truth-seeking and decision-making, both on the individual level and the group level are subject to biases: systematic failures to get to the truth or to make good decisions. Biases in individual humans are an extremely serious problem - most people make important life-decisions without even realizing the extent and severity of the cognitive biases they were born with. Therefore rational thought requires a good deal of critical thinking - analyzing and reflecting on your own thought processes in order to iron out the many flaws they contain. Group dynamics can introduce mechanisms of irrationality above and beyond the individual biases and failings of members of the group, and often good decision-making in groups is most severely hampered by flawed social epistemology.
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Rationality techniques and topics include:
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