Variations of the product-moment (Pearson) coefficient of correlation
Fifty-two variations of the product-moment (Pearson) method for computing the coefficient of correlation are presented with recommendations for each. Furthermore, seven printed forms (those of Ruger, Toops, Otis, Kelley, Thurstone, Holzinger, and Ruch-Stoddard) for the facilitation of the computatio...
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Veröffentlicht in: | Journal of educational psychology 1926-10, Vol.17 (7), p.458-469 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Fifty-two variations of the product-moment (Pearson) method for computing the coefficient of correlation are presented with recommendations for each. Furthermore, seven printed forms (those of Ruger, Toops, Otis, Kelley, Thurstone, Holzinger, and Ruch-Stoddard) for the facilitation of the computation of the coefficient of correlation are described and their advantages and limitations listed. The author prefers Thurstone's form because he likes Thurstone's method for finding |Sx'y'. The articles ends with a brief account of the historical development of the theory of correlation. He points out that sometimes workers rediscover what is already discovered. For example, Harris, Thurstone, and Ayres derived independently and in the chronological order named the formula for computing the coefficient of correlation when zero is the assumed mean. |
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ISSN: | 0022-0663 1939-2176 |
DOI: | 10.1037/h0070082 |