Recovery of One- and Two-Parameter Logistic Item Parameters: An Empirical Study.

Goldman, Steven H.; Raju, Nambury S.

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Peer reviewed

ERIC Number: EJ332459

Record Type: Journal

Publication Date: 1986

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Recovery of One- and Two-Parameter Logistic Item Parameters: An Empirical Study.

Goldman, Steven H.; Raju, Nambury S.

Educational and Psychological Measurement, v46 n1 p11-21 Spr 1986

Response data from 3,000 subjects to the SRA Attitude Survey were analyzed using the one-parameter and two-parameter logistic latent trait models. The effects of varying sample size on the accuracy of person and item parameters were investigated. (Author/BS)

Descriptors: Attitude Measures, Employee Attitudes, Goodness of Fit, Hypothesis Testing, Item Analysis, Latent Trait Theory, Sample Size

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

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Language: English

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