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The crackpot index is a number that rates scientific claims or the individuals that make them, in conjunction with a method for computing that number. The method, proposed semi-seriously by mathematical physicist John Baez in 1992, computes an index by responses to a list of 36 questions, each positive response contributing a point value ranging from 1 to 50. The computation is initialized with a value of −5. Presumably any positive value of the index indicates crankiness. Though the index was not proposed as a serious method, it nevertheless has become popular in Internet discussions of whether a claim or an individual is cranky, particularly in physics (e.g., at the Usenet newsgroup sci.physics), or in mathematics. Chris Caldwell's Prime Pages has a version adapted to prime number research〔(【引用サイトリンク】title= ''The PrimeNumbers' Crackpot index'' )〕 which is a field with many famous unsolved problems that are easy to understand for amateur mathematicians. An earlier crackpot index is Fred J. Gruenberger's "A Measure for Crackpots"〔(【引用サイトリンク】format=PDF )〕 published in December 1962 by the RAND Corporation. ==See also== * Crank (person) * List of amateur mathematicians * List of topics characterized as pseudoscience * Pseudophysics 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Crackpot index」の詳細全文を読む スポンサード リンク
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