Science and statistics

Science and statistics - Science and statistics What is...

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Unformatted text preview: Science and statistics What is science? • Science is based on observable facts? – inductive logic, empiricism, logical positivism – But verifiable perceptions are no guarantee for a correct understanding • Galileo’s measurement – And scientific theories are full of non-observable variables • Operationalism is nice, but how close does your operation fit the variable? • Non-observables may become observable • So how to make a distinction between true and false nonobservables? – Verification is logically impossible • Inductive logic does not lead to conclusions that are guaranteed to be true according to the rules of logic – E.g., black swan • Science is theory driven? – Freud has many theories, but we do not consider them “scientific.” Why? – We just learned that observations do not guarantee scientific validity – Falsification instead of verification • Karl Popper accepts the importance of theories in scientific thinking • BUT, what distinguishes science from non- science is not because the former is based on observable and verifiable facts, but that science constantly questions its explanations – The fundamental change from Newtonian mechanics to other theories – Freudian psychologists are only interested in finding corroborating evidence •...
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This note was uploaded on 02/26/2011 for the course PSYC 415 taught by Professor Ting during the Spring '10 term at Maryland.

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Science and statistics - Science and statistics What is...

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