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Journal of Educational…

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Choppin, Bruce	1
Levin, Joel R.	1
Lord, Frederic M.	1

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Maximum Likelihood and Bayesian Parameter Estimation in Item Response Theory.

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Lord, Frederic M. – 1984

There are currently three main approaches to parameter estimation in item response theory (IRT): (1) joint maximum likelihood, exemplified by LOGIST, yielding maximum likelihood estimates; (2) marginal maximum likelihood, exemplified by BILOG, yielding maximum likelihood estimates of item parameters (ability parameters can be estimated…

Descriptors: Bayesian Statistics, Comparative Analysis, Estimation (Mathematics), Latent Trait Theory

Determining Sample Size for Planned and Post-hoc Analysis of Variance Comparisons

Peer reviewed

Levin, Joel R. – Journal of Educational Measurement, 1975

A set procedure developed in this study is useful in determining sample size, based on specification of linear contrasts involving certain formula treatments. (Author/DEP)

Descriptors: Analysis of Variance, Comparative Analysis, Mathematical Models, Measurement Techniques

A Critical Comparison of Psychometric Models for Measuring Achievement. Methodology Project.

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Choppin, Bruce; And Others – 1982

A detailed description of five latent structure models of achievement measurement is presented. The first project paper, by David L. McArthur, analyzes the history of mental testing to show how conventional item analysis procedures were developed, and how dissatisfaction with them has led to fragmentation. The range of distinct conceptual and…

Descriptors: Academic Achievement, Achievement Tests, Comparative Analysis, Data Analysis