Psychometrics (Tests and Testing)

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Psychometrics Sites:

Psychometrika Psychometrika: Print journal of the Psychometric Society. Subscription and submission information and author instructions. (Psychometrics) http://www.psychometrika.org/ Institute for Objective Measurement Institute for Objective Measurement: Rasch Scaling information from MESA at the University of Chicago. Includes full text articles. (Psychometrics) http://www.rasch.org/ Understanding Factor Analysis Understanding Factor Analysis: Online textbook providing overview of factor analysis, by political scientist RJ Rummel. (Psychometrics) http://www.hawaii.edu/powerkills/UFA.HTM Psychometric Software Psychometric Software: Mountain Shadows Phonemic Awareness Scale (MS-PAS) and selection of Macintosh and Windows statistical analysis software, including parallel analysis. (Psychometrics) http://espse.ed.psu.edu/spsy/Watkins/Watkins3.ssi Bayesian Factor Analysis Bayesian Factor Analysis: Describes the Bayesian approach to factor analysis, which incorporates prior information and eliminates the need for rotation. Includes some full-text articles. (Psychometrics) http://www.biophysics.mcw.edu/BRI-people/Rowe/BFA.html The Reliability of Measuring Instruments The Reliability of Measuring Instruments: Tom Knapp's book on reliability of measurement is freely available on this website. (Psychometrics) http://www.educ.ubc.ca/faculty/zumbo/series/knapp/index.htm Jefferson Psychometric Lab Jefferson Psychometric Lab: University of Virginia based research group headed by Professor John J. McArdle. Includes COSAN, NOHARM, and LVLPS software for free download. (Psychometrics) http://kiptron.psyc.virginia.edu/ Article: Increasing the Validity of Adapted Tests Article: Increasing the Validity of Adapted Tests: Hambleton & Patsula (1999) article providing guidelines for adapting tests for cross-cultural and international uses--includes the ITC's Test Adaptation Guidelines (Psychometrics) http://www.testpublishers.org/journal01.htm Multivariate Data Analysis Multivariate Data Analysis: 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 ana (Psychometrics) http://www.psych.yorku.ca/lab/psy6140/ Psychometric Research Psychometric Research: Homepage of Daniel O. Segall. Includes PDF articles on the development of new psychological measurement techniques providing innovative solutions to applied testing problems. (Psychometrics) http://segalld.home.netcom.com/ RepGrid RepGrid: 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. (Psychometrics) http://www.repgrid.com/ Winsteps and Facets Rasch Analysis Software Winsteps and Facets Rasch Analysis Software: Software to construct linear measures from ordered qualitative observations. Includes details of training workshops; free student version and manual available for download. (Psychometrics) http://www.winsteps.com/ Mx Mx: Matrix algebra interpreter and numerical optimizer for structural equation modeling and other types of statistical modeling of data. Includes documentation and example code. (Psychometrics) http://views.vcu.edu/mx/ Multidimensional Scaling Multidimensional Scaling: Searchable bibliography and selection of recent papers, from the University of Newcastle. (Psychometrics) http://www.ncl.ac.uk/mds/ Item Response Theory Item Response Theory: This website by Lawrence Rudner introduces Item Response Theory, and includes a complete on-line book. (Psychometrics) http://edres.org/irt/ PMetric Psychometric Software System PMetric Psychometric Software System: Shareware for designing, applying, developing, and evaulating psychometric scales. The software features a scale editor, reliability analysis, central results database and other features. (Psychometrics) http://userpage.fu-berlin.de/~satow/psysoft.htm Paul Barrett Paul Barrett: Free software for (advanced) psychometric analyses. Also a number of presentations on psychometrics. (Psychometrics) http://www.pbarrett.net/ Applied Psychometric Society Applied Psychometric Society: Resource for professionals in psychometrics. Operated by Fordham University. (Psychometrics) http://www.fordham.edu/aps/ Factor Analysis Factor Analysis: Introduction to factor analysis, with worked examples. (Psychometrics) http://www.psych.cornell.edu/Darlington/factor.htm Personal Construct Psychology Research Group Personal Construct Psychology Research Group: University of Wollongong based research group. Resources include free software for analysing repertory grids, and searchable citation database of PCP references. (Psychometrics) http://www.psyc.uow.edu.au/research/pcp/index.html Young, Forrest W. Young, Forrest W.: 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. (Psychometrics) http://forrest.psych.unc.edu/ L-BFGS-B Nonlinear Optimization Code L-BFGS-B Nonlinear Optimization Code: Bounded optimisation code (FORTRAN) for numerical analysis, from Northwestern University. (Psychometrics) http://www.ece.nwu.edu/~nocedal/lbfgsb.html The Correlation Coefficient The Correlation Coefficient: Online textbook by political scientist RJ Rummel. (Psychometrics) http://www.mega.nu:8080/ampp/rummel/uc.htm Latent Class Analysis and Latent Class Models Latent Class Analysis and Latent Class Models: John Uebersax's resource for researchers interested in Latent Class Analysis (LCA) and Latent Class Models. Includes factor analysis of binary data. (Psychometrics) http://ourworld.compuserve.com/homepages/jsuebersax/ Psychometrics Research Unit Psychometrics Research Unit: Research results, questionnaires and publications of the Psychometrics Research Unit (University of Valencia, Spain). Content a mixture of English, Spanish, Valencian and Portuguese. (Psychometrics) http://www.uv.es/psicometria Structural Equation Modeling FAQ Structural Equation Modeling FAQ: Frequently asked questions for the SEMNET structural equation modeling discussion group. (Psychometrics) http://www.gsu.edu/~mkteer/semfaq.html Latent Variable Interactions and Quadratics Latent Variable Interactions and Quadratics: Resources focused on latent variable interactions and quadratics. Includes a bibliography, FAQ, Excel templates, full text articles, and full text monograph. (Psychometrics) http://www.wright.edu/~robert.ping/research1.htm Promoting Stakeholder Acceptance of Computer-Based Testing Promoting Stakeholder Acceptance of Computer-Based Testing: Jones (2000) article on communicating the value of and addressing issues regarding the implementation of computer-based testing. (Psychometrics) http://www.testpublishers.org/journal02.htm Cooper, Colin Cooper, Colin: Contact details and resume for Senior Lecturer in Psychology at Queen's University, Belfast. Includes Macintosh program and documentation for performing exploratory factor analysis through generating and testing the fit of all possible simple-structure mo (Psychometrics) http://www.psych.qub.ac.uk/staff/cooper.html Ingrid Yahoo Group Ingrid Yahoo Group: Free downloadable software for analysing repertory grids. (Psychometrics) http://groups.yahoo.com/group/ingrid/ Reliability and Validity Reliability and Validity: Clear introduction to the nature and assessment of test reliability and validity. (Psychometrics) http://seamonkey.ed.asu.edu/~alex/teaching/assessment/reliability.html Scientific Software International Scientific Software International: 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. (Psychometrics) http://www.ssicentral.com/ Maydeu-Olivares, Albert Maydeu-Olivares, Albert: Albert Maydeu-Olivares' homepage at the University of Barcelona: includes some unpublished working papers. (Psychometrics) http://www.ub.es/personal/amaydeu/amaydeuen.html Principal Components and Factor Analysis Principal Components and Factor Analysis: Chapter from StatSoft's Electronic Statistics Textbook. (Psychometrics) http://www.statsoft.com/textbook/stfacan.html