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Peer reviewedDavenport, Ernest C., Jr. – Educational and Psychological Measurement, 1990
The properties of Tucker's congruence coefficient--an index used to help determine the equality of latent structures for different subgroups on a common set of test items--are explored. An example using data from 1,370 subjects in the National Assessment of Educational Progress 1976 mathematics assessment illustrates the index's use. (SLD)
Descriptors: Equated Scores, Grade 8, Junior High School Students, Junior High Schools
