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AGREE
Computes agreement on nominal data in which two or more judges classify objects into nominal scale categories. Calculates measures of agreement (Cohen's kappa or the D2 measure).
Price Depends on License Options
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Angoff Analysis Tool
ASC’s Angoff Analysis Tool (AAT) produces all the calculations you need to make a professional, defensible report of the results of a modified-Angoff cutscore study.
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Arpeggio Suite
Arpeggio provide diagnostic appraisals of examinee ability on multiple skills or multiple facets of understanding using the Fusion Model, and provides information regarding the discrimination of items and the test as a whole with respect to those skills.
Price Depends on License Options
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BILOG-MG 3
Estimates IRT parameters for multiple groups, allowing detection of differential item functioning.
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CATSim
Computerized adaptive testing (CAT) is a sophisticated approach for delivering tests, surveys, and other measurements. It is based on complex computer algorithms that adapt the test to each examinee while also controlling for practical issues such as content distribution, item exposure, and test length. CATs have been shown to reduce test length by up to 90% without a loss of precision. However, to achieve such a reduction and make use of the advantages of CAT, it is absolutely essential that the CAT developer perform research studies to simulate the performance of CATs. CATSim is the only software program that completely fills this role.
Price Depends on License Options
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Comprehensive Meta-Analysis
A comprehensive environment for implementing meta-analytic studies, including citations, abstracts, notes, and data on effect size and moderator variables.
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CONCOV
Nonparametrically estimates the conditional covariance curve for each item pair as a function of the underlying composite latent ability best measured by the total test score.
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CONQUEST Version 2.0 (CD Version)
ConQuest Version 2.0 is a computer program for fitting item response (Rasch) and latent regression models. It provides a comprehensive and flexible range of item response models (IRM) to analysts, allowing them to examine the properties of performance assessments, traditional assessments and rating scales. ConQuest 2.0 also offers the wider measurement and research community the most up-to-date psychometric methods of multifaceted item response models, multidimensional item response models, latent regression models and drawing plausible values.
Now with 30 Day Free Trial and Free Manual!
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DETECT
Nonparametrically provides a detailed dimensional description of a test in which the items are grouped around several underlying psychological or cognitive constructs.
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