On Generalizations of the G Index
- 1 October 1976
- journal article
- research article
- Published by SAGE Publications in Educational and Psychological Measurement
- Vol. 36 (3) , 595-600
- https://doi.org/10.1177/001316447603600301
Abstract
The G* index of agreement, introduced by Lienert as a generalization of the G index is shown to have some deficiencies. It cannot, for example, be used in a Q-factor analysis. An alternative index, roz, is proposed for ordinal scales with fixed neutral (zero-) points. The roz index can be used for measuring both person similarity and item similarity. It fulfills the demands of a normalized scalar product and can thus be applied in a Q- or an R-factor analysis.Keywords
This publication has 6 references indexed in Scilit:
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