| 单词 | reference class |
| 释义 | > as lemmasreference class reference class n. Philosophy (chiefly in probability theory and the philosophy of science) the class of entities sharing a property with respect to which a theory or a statement of probability is framed; cf. reference property n. ΚΠ 1938 Philos. Sci. 5 19 The frequency theory can give precise rules for the selection of the reference class. 1949 E. H. Hutten & M. Reichenbach tr. H. Reichenbach Theory of Probability (ed. 2) 374 An individual thing or event may be incorporated in many reference classes, from which different probabilities will result. This ambiguity has been called the problem of the reference class. 1952 Philos. Sci. 19 171 It would be incomplete to say that surviving of the thirty-first birthday has a probability..of .945 without mentioning some reference class, in this case, being a thirty-year-old resident of the United States. 2003 Mind 112 625 In the case of Tweety, one could make use of frequency information about some population of pets that constitutes the appropriate reference class. < as lemmas |
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