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ERIC Number: EJ580811
Record Type: Journal
Publication Date: 1998
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: ISSN-1076-9986
Measuring Variability and Change with an Item Response Model for Polytomous Variables.
Eid, Michael; Hoffman, Lore
Journal of Educational and Behavioral Statistics, v23 n3 p193-215 Fall 1998
An extension of the graded-response model of F. Samejima (1969) is presented for the measurement of variability and change. The model is illustrated with a longitudinal study of student interest in radioactivity conducted with about 1,200 German students in elementary school when the study began. (SLD)
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Germany