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X-WR-CALNAME:Philosophy, Logic and Scientific Method
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DTSTART;TZID=Europe/London:20160426T140000
DTEND;TZID=Europe/London:20160426T153000
DTSTAMP:20161128T154242
CREATED:20160321T115405
LAST-MODIFIED:20160422T103605
UID:5960-1461679200-1461684600@www.lse.ac.uk
SUMMARY:Jan Sprenger (Tilburg): "Two Impossibility Results for Popperian Corroboration"
DESCRIPTION:Abstract: According to influential accounts of scientific method\, e.g.\, critical rationalism\, scientific knowledge grows by repeatedly testing our best hypotheses. But despite the popularity of hypothesis tests in scientific inference\, especially in statistics\, their philosophical foundations are shaky. In particular\, the interpretation of results that do not refute the hypothesis under test\, but are consistent with it\, poses a major philosophical challenge. To what extent do they ground our confidence in the hypothesis under test?\n\nKarl R. Popper proposed that such results corroborate the tested hypothesis (which is\, according to Popper\, something different than to raise its probability). Corroboration guides our practical preferences over hypotheses which have been subjected to severe tests.\n\nIn the 1950s\, Popper developed a probabilistic measure of corroboration in a number of BJPS articles. Popper's explication has been frequently criticized\, but nobody has taken the effort to draw general conclusions from the shortcomings of Popper's particular measure.\n\nIn my contribution\, I set up adequacy criteria for a probabilistic measure of corroboration that are distinct from the usual adequacy criteria for measures of evidential support. Then I prove two impossibility results showing that there can be no measure satisfying a plausible set of adequacy criteria. I argue that we should explicate degree of corroboration in a different way\, abandoning (or at least modifying) the positive probabilistic relevance framework.\n\n \n\n#PopperSeminar
URL:http://www.lse.ac.uk/philosophy/events/jan-sprenger-two-impossibility-results-for-popperian-corroboration/
LOCATION:Lakatos Building\, London\, WC2A 2AE\, United Kingdom
CATEGORIES:Popper Seminar
ORGANIZER;CN="Philosophy%2C%20Logic%20%26amp%3B%20Scientific%20Method":MAILTO:philosophy-dept@lse.ac.uk
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