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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.
Price Depends on License Options
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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.
Price Depends on License Options
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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!
Price Depends on Options
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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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DFIT 8 for Windows
DFIT 8 is a powerful Windows program to analyze differential item and test functioning utilizing the DFIT framework that evaluates the differences between item response functions. DFIT 8 allows you to compare item response theory curves for different subgroups.
Price Depends on License Options
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DIFPACK
Dimensionality-based differential item functioning (DIF) analysis package that includes SIBTEST, POLY-SIBTEST, Crossing SIBTEST, DIFCOMP, and DIFSIM.
Price Depends on License Options
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DIMPACK
DIMPACK is a software package that includes DIMTEST, DETECT, and HCA/CCPROX. DIMTEST 2 is a hypothesis testing procedure that assesses lack of latent unidimensionality. DETECT nonparametrically provides a detailed dimensional description of a test in which the items are grouped around several distinct reading passages or underlying psychological or cognitive constructs. HCA/CCPROX performs a latent multidimensionality-sensitive hierarchical cluster analysis on dichotomously scored items.
Price Depends on License Options
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ES: Effect Size
Calculates the effect size measure called the standardized mean difference statistic (Cohen's d), frequently used in meta-analyses, using more than 40 different kinds of data.
Price Depends on License Options
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FastTEST 2 Test Development System (CD Version)
32-bit Windows item banker and test assembly system for easy and efficient creation of printed tests, surveys, and questionaires. Full support for dichotomous IRT models.
Price Depends on License Options
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FastTEST Professional Testing System
FastTEST Pro 2.0 makes it easy and efficient for you to develop and implement a wide range of PC-based electronic tests. Tests can be conventional, randomized, branched, or fully adaptive tests based on item response theory(IRT). Follow any test with an optional review and/or a detailed or custom score report. Designed to allow you to set up your own secure testing lab, FastTEST Pro's distributed computing design delivered tests on a network, on independent testing stations, from CDs or USB memory drives, or sent as email attachments and easily installed and delivered on remote computers.
Price Depends on License Options
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GLIMMIX
General linear model for mixture distributions, using choice and frequency data, pick any /n and paired comparisons data, and conjoint data, with normal, Poisson, gamma, and binomial distributions.
Price Depends on License Options
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HCA/CCPROX (DOS)
Performs a latent nonparametric multidimensionality-sensitive hierarchical cluster analysis on either dichotomously or polytomously scored items.
Price Depends on License Options
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HLM
HLM, Hierarchical Linear Modeling, allows for the analysis of models with two or three levels of nesting (i.e., multilevel analysis). Such nested models may be used to analyze growth and change within individuals; to study responses of persons in organizations such as schools, businesses, community, and religious groups; and to conduct meta-analysis of research results.
Price Depends on License Options
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IRT DIF Analysis Tool
The IRT DIF Analysis Tool is a spreadsheet designed for visualization and analysis of differential item functioning (DIF) results in the context of item response theory (IRT).
Our price: $49.00
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IRT Form Building Tool
ASC’s IRT Form Building Tool helps you build parallel test forms by providing real-time graphics of important IRT functions, including the response functions and information functions for forms, items, and the entire bank.
Price Depends on License Options
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IRT Scoring and Graphing Tool
The IRT Scoring and Graphing Tool is a Microsoft Excel spreadsheet that provides brute force theta estimates for a single examinee using item response theory. It also provides useful graphs including the likelihood function and item response functions.
Price Depends on License Options
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Item and Test Analysis Package
Buy a complete suite of our item and test analysis programs - Iteman 4, Rascal, Xcalibre, TestInfo, and ScoreAll - at a discounted package price!
Price Depends on License Options
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Iteman 4
Iteman™ 4 represents the cutting edge in psychometric analysis software, giving you the power to create professional psychometric reports with the click of a mouse. Iteman™ 4 produces a comprehensive classical test theory analysis of your exam, including a quantile plot and detailed table of statistics for each item, but its user-friendly interface makes it accessible to novices and experts alike.
Price Depends on License Options
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LERTAP 5
Lertap 5 is a classical item, test, and survey analysis system that is based in Microsoft Excel. Recent updates include support for Excel/Office 2007 or Excel/Office 2010 and the functionality to import ITAP-formatted input files. Lertap 5 produces a variety of tabular reports and related graphics, including: quintile plots of distractor functioning, boxplots of group test scores, eigenvalue scree plot displays, score histograms, and scatterplots; statistics for mastery, licensing, and certification tests; test cheating; differential item functioning graphs and Mantel-Haenszel statistics; conditional standard errors of measurement and indices of classification consistency.
Price Depends on License Options
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