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Comparative Analysis	2
Goodness of Fit	2
Latent Trait Theory	2
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Educational and Psychological…

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Albanese, Mark A.	1
Forsyth, Robert A.	1
McKinley, Robert L.	1
Reckase, Mark D.	1

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The One-, Two- and Modified Two-Parameter Latent Trait Models: An Empirical Study of Relative Fit.

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Albanese, Mark A.; Forsyth, Robert A. – Educational and Psychological Measurement, 1984

The purpose of this study was to compare the relative robustness of the one-, two-, and modified two-parameter latent trait logistic models for the Iowa Tests of Educational Development. Results suggest that the modified two-parameter model may provide the best representation of the data. (Author/BW)

Descriptors: Achievement Tests, Comparative Analysis, Goodness of Fit, Item Analysis

A Comparison of the ANCILLES and LOGIST Parameter Estimation Procedures for the Three-Parameter Logistic Model Using Goodness of Fit as a Criterion.

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McKinley, Robert L.; Reckase, Mark D. – 1980

A study was conducted to compare the quality of the item parameter estimates obtained from the ANCILLES and LOGIST estimation procedures using goodness of fit as a criterion. Statistics used to compare the fit included a chi-square statistic and a mean square deviation statistic. Other analyses performed included comparisons of the distributions…

Descriptors: Comparative Analysis, Computer Programs, Difficulty Level, Goodness of Fit