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Scientific Software International - http://www.ssicentral.com/
Statistical software for the social sciences. Includes LISREL for structural equation modeling, HLM for hierarchical data analysis, and BILOG, BILOG-MG, MULTILOG, PARSCALE, and TESTFACT for IRT-based test analysis. |
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Psychometrika - http://www.psychometrika.org/
Print journal of the Psychometric Society. Subscription and submission information and author instructions. |
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Structural Equation Modeling FAQ - http://www.gsu.edu/~mkteer/semfaq.html
Frequently asked questions for the SEMNET structural equation modeling discussion group. |
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Institute for Objective Measurement - http://www.rasch.org/
Rasch Scaling information from MESA at the University of Chicago. Includes full text articles. |
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http://www.vcu.edu/mx/ - http://www.vcu.edu/mx/
Matrix algebra interpreter and numerical optimizer for structural equation modeling and other types of statistical modeling of data. Includes documentation and example code. |
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Multivariate Data Analysis - http://www.psych.yorku.ca/lab/psy6140/
Outline for Michael Friendly's course on multivariate data analysis and linear statistical models in behavioural science research. Includes bibliographies, computing guides, notes, and SAS examples covering topics such as regression, ANOVA, and factor analysis. |
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L-BFGS-B Nonlinear Optimization Code - http://www.ece.northwestern.edu/~nocedal/lbfgsb.html
Bounded optimisation code (FORTRAN) for numerical analysis, from Northwestern University. |
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http://www.repgrid.com/ - http://www.repgrid.com/
Includes the Centre for Person-Computer Studies, Knowledge Support Systems, RepGrid and WebGrid software details, and the Personal Construct Psychology site. Many full-text articles for download. |
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Young, Forrest W. - http://forrest.psych.unc.edu/
Emiritus Professor of Quantitative Psychology at the University of North Carolina, Chapel Hill. Includes links to the VISta data visualization software, and plenty of resources for ALSCAL multidimensional scaling, including FORTRAN source code. |
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PMetric Psychometric Software System - http://userpage.fu-berlin.de/~satow/psysoft.htm
Shareware for designing, applying, developing, and evaluating psychometric scales. The software features a scale editor, reliability analysis, central results database and other features. |
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Psychometrics Research Unit - http://www.uv.es/psicometria
Research results, questionnaires and publications of the Psychometrics Research Unit (University of Valencia, Spain). Content a mixture of English, Spanish, Valencian and Portuguese. |
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Item Response Theory - http://edres.org/irt/
This website by Lawrence Rudner introduces Item Response Theory, and includes a complete on-line book. |
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Latent Variable Interactions and Quadratics - http://www.wright.edu/~robert.ping/research1.htm
Resources focused on latent variable interactions and quadratics. Includes a bibliography, FAQ, Excel templates, full text articles, and full text monograph. |
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Factor Analysis - http://www.psych.cornell.edu/Darlington/factor.htm
Introduction to factor analysis, with worked examples. |
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Multidimensional Scaling - http://www.ncl.ac.uk/mds/
Searchable bibliography and selection of recent papers, from the University of Newcastle. |