Psychometrics
Applied Psychometric Society
Resource for professionals in psychometrics. Operated by Fordham University.
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
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.
Institute for Objective Measurement
Rasch Scaling information from MESA at the University of Chicago. Includes full text articles.
Item Response Theory
This website by Lawrence Rudner introduces Item Response Theory, and includes a complete on-line book.
L-BFGS-B Nonlinear Optimization Code
Bounded optimisation code (FORTRAN) for numerical analysis, from Northwestern University.
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.
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.
Maydeu-Olivares, Albert
Albert Maydeu-Olivares' homepage at the University of Barcelona: includes some unpublished working papers.
Multidimensional Scaling
Searchable bibliography and selection of recent papers, from the University of Newcastle.
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,…
Paul Barrett
Free software for (advanced) psychometric analyses. Also a number of presentations on psychometrics.
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.
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 fe…
Principal Components and Factor Analysis
Chapter from StatSoft's Electronic Statistics Textbook.
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.
Psychometric Software
Mountain Shadows Phonemic Awareness Scale (MS-PAS) and selection of Macintosh and Windows statistical analysis software, including parallel analysis.
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