| 单词 | phi coefficient |
| 释义 | > as lemmasphi coefficient phi coefficient n. the product-moment coefficient of correlation in a case where each of the observed variables has only two possible values. ΘΚΠ the world > relative properties > number > probability or statistics > [noun] > variable > relationship between sets of variables > coefficient of correlation correlation coefficient or coefficient of correlation1888 product moment1895 Pearson1903 rho1907 Spearman1907 phi coefficient1929 1904 K. Pearson in Drapers' Co. Res. Mem.: Biometric Ser. I. 6 I shall call ϕ2 = χ/Ν the mean square contingency.] 1929 Psychol. Rev. 36 241 The degree of similarity is measured in terms of the phi-coefficient, which enables us to allocate the attributes along a single continuum, and to measure the degree of similarity by scale separations on this continuum or scale. 1968 J. G. Blumler & D. McQuail Television in Politics iv. 75 All the phi coefficients of ·30 or higher (a level which is most unlikely to be reached by chance) were picked out. 1975 C. A. Morehouse & G. A. Stull Statistical Princ. Physical Educ. xi. 237 The phi coefficient is often recommended for use in the analysis of test items in which the items are scored as correct or incorrect, pass or fail. 2000 Jrnl. Consumer Res. 26 343/2 The phi coefficients, referring to the correlation between the similar dimensions in the two cultures. < as lemmas |
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