Is the G Index a Correlation Coefficient?
- 1 July 1980
- journal article
- research article
- Published by SAGE Publications in Educational and Psychological Measurement
- Vol. 40 (2) , 349-352
- https://doi.org/10.1177/001316448004000210
Abstract
For three different definitions of the correlation coefficient concept is examined whether the G index is a correlation coefficient or not. According to the Pearson definition it is not. However, it is equal to the Pearson coefficient, obtained from double scoring. The G index is shown to be a correlation coefficient according to the definition by Kendall. It is also shown to be an E-correlation coefficient.Keywords
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