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The J-index as a measure of nominal scale response agreement

Janson, Svante
Vegelius, Jan
1982
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The J-index as a measure of nominal scale response agreement

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1982

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Some characteristics of Hubert’s Г, as a measure of nominal scale response agreement, are shown, including the characteristic that in a contingency table with equal frequencies its value will normally not be zero. By making a slight modification of its definition, some of these characteristics can be eliminated. As another alternative, the J-index is suggested. It is closely related to Г but does not have the same problematic characteristics. Some asymptotic variance formulas for the J-index are given, together with a numerical example.

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Applied Psychological Measurement, Volume 06, 1982

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Janson, Svante & Vegelius, Jan. (1982). The J-index as a measure of nominal scale response agreement. Applied Psychological Measurement, 6, 111-121. doi:10.1177/014662168200600111

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doi:10.1177/014662168200600111

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Janson, Svante; Vegelius, Jan. (1982). The J-index as a measure of nominal scale response agreement. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/101371.

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