Peer reviewedERIC Number: EJ145575
Record Type: Journal
Publication Date: 1976
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A Coefficient of Equality for Questionnaire Items with Interval Scales
Jobson, J. D.
Educational and Psychological Measurement, 36, 2, 271-4, Sum 76
Given a sample of responses to a pair of questionnaire items with interval scale values it is sometimes of interest to know the degree to which respondents select the same response for both items. The coefficient of equality measures the departure from independence in the direction of equality. (RC)
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