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ConQuest 3.0
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Authors: Ray Adams, Margaret Wu and Mark Wilson

Publisher: ACER

Purpose: To provide data analysis based on a comprehensive and flexible range of item response models.

Content:

ACER ConQuest 3.0 is a computer program for fitting both unidimensional and multidimensional item response and latent regression models. It provides data analysis based on a comprehensive and flexible range of item response models (IRM), allowing examination of the properties of performance assessments, traditional assessments and rating scales. ACER ConQuest 3.0 also offers wider measurement and research community analysis procedures based on the most up-to-date psychometric methods of multifaceted item response models, multidimensional item response models, latent regression models and drawing plausible values.

Features:

Some of the new features added in ACER ConQuest 3.0 are:

    Estimation of the Bradley–Terry–Luce (BTL) model for pairwise comparisons
    A choice of marginal maximum likelihood or joint maximum likelihood estimation
    Fitting of a multidimensional and multifaceted form of Bock’s nominal response model, including its special cases, the two parameter logistic (2PL) model and generalised partial credit model
    Direct reading of SPSS system files
    Output of results to SPSS or EXCEL files
    A wide array of graphical outputs, including Wright maps and Wright predicted probability maps
    Person fit and residuals
    Latent variable path modelling
    Mantel-Haenszel DIF estimates

Specifications: ACER ConQuest 3.0 is available with both a graphical user interface (GUI) and a simple command line, or console, interface. The GUI version is available for all Windows platforms. ACER ConQuest comes with a range of online resources and access to prompt email support.

ACER Conquest 3.0 is available for use for sample sizes up to 3000 participants. For sample sizes exceeding this number, please contact conquest@acer.edu.au

ACER Conquest 3.0 Software and documents are available to purchase via download: http://conquest-sales.acer.edu.au

Choose from Student ($375.00), Standard ($750.00) or Multiple Licences for 3 or more computers ($595.00 per computer).

Upgrades are free for purchases of Conquest made after 30 September 2011.

For sales queries, please email sales@acer.edu.au.

For technical queries, please email conquest@acer.edu.au.

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