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Peer reviewed Peer reviewed
ERIC Number: EJ174776
Record Type: CIJE
Publication Date: 1977
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
The Urry Method of Approximating The Item Parameters of Latent Trait Theory
Schmidt, Frank L.
Educational and Psychological Measurement, 37, 3, 613-20, Aut 77
Urry's procedure for approximating latent trait test models is shown to tend to underestimate item discriminatory power and overestimate item difficulty. A method for correcting these biases is provided, and implications of the procedures are discussed. (Author/JKS)
Descriptors: Item Analysis, Latent Trait Theory, Mathematical Models, Test Bias, Test Construction, Test Reliability
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Urry Item Parameterization Technique