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Peer reviewed Peer reviewed
ERIC Number: EJ253080
Record Type: CIJE
Publication Date: 1981
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
ERGO: A New Approach to Multidimensional Item Analysis.
Reynolds, Thomas J.
Educational and Psychological Measurement, v41 n3 p643-59 Fall 1981
Cliff's Index "c" derived from an item dominance matrix is utilized in a clustering approach, termed extracting Reliable Guttman Orders (ERGO), to isolate Guttman-type item hierarchies. A comparison of factor analysis to the ERGO is made on social distance data involving multiple ethnic groups. (Author/BW)
Descriptors: Cluster Analysis, Difficulty Level, Factor Analysis, Item Analysis, Multidimensional Scaling, Statistical Analysis, Test Items, Test Theory
Publication Type: Journal Articles; Reports - Research; Guides - Non-Classroom
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Cliff Consistency Index; ERGO Procedure; Guttman Simplex Analysis