Statistical and Psychometric Resources

Statistical and Psychometric Resources Links

• Paul Barrett's Homepage and Archive of Psychometric Software Free software for (advanced) psychometric analyses. Also a number of PowerPoint presentations on psychometrics.
  
  
• Forrest W. Young's homepage Includes links to the VISta data visualization software, and plenty of resources for ALSCAL multidimensional scaling, including FORTRAN source code
  
• Structural Equation Modeling Frequently asked questions for the SEMNET structural equation modeling discussion group.
  
• Reliability Analysis Enhancement Intraclass Correlations on SPSS
  
• Repertory Grid Resources Software (some FREE) for analysing repertory grids, and other grid resources from Chris Evans
  
• Multidimensional Scaling Multidimensional scaling bibliography and resources
  
• All Possible Models Exploratory Factor Analysis Macintosh program and documentation for performing exploratory factor analysis through generating and testing the fit of all possible simple-structure models.
  
• Psychometrika Psychometric Society home page: contents of Psychometrika
  
• L-BFGS-B Nonlinear Optimization Code Excellent bounded optimisation code (FORTRAN) for numerical analysis
  
• Institute for Objective Measurement Rasch Scaling information from MESA at the University of Chicago
  
• Numerical Methods in Human Genomic Epidemiology Visual Basic code for factorial moments, eigensystems, conjugate gradient, maximum likelihood regression, and Monte Carlo simulation of probabilities and risk.
  
• Psychometric Software P.Metric is free software is designed to apply, develop and evaluate psychometric scales. The software features a scale editor, reliability analysis, central results database and other features.
  
• Bayesian Factor Analysis Describes the Bayesian approcah to Factor Analysis. This incorporates prior information and eliminates the need for rotation.
  
• Psychometric Software Software and resources from Marley Watkins at Penn State: includes parallel analysis.
  
• Scientific Software International Supplier of commercial psychometric software.
  
• MX Homepage Free downloadable software for MX and for structural equation modeling.
  
• John J. McArdle Jack McArdle's homepage including links to COSAN, NOHARM & LVPLS programs, freely available for download
  
• 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.