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Peer reviewed Peer reviewed
ERIC Number: EJ174773
Record Type: CIJE
Publication Date: 1977
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Conditional Versus Unconditional Procedures for Sample-Free Item Analysis
Wright, Benjamin D.; Douglas, Graham A.
Educational and Psychological Measurement, 37, 3, 573-86, Aut 77
Two procedures for Rasch, sample-free item calibration are reviewed and compared for accuracy. The theoretically ideal "conditional" procedure is impractical for more than fifteen items. The more practical but biased "unconditional" procedure is discussed in detail. (Author/JKS)
Descriptors: Comparative Analysis, Item Analysis, Latent Trait Theory, Mathematical Models, Measurement, Test Bias, Test Construction
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Rasch Model