Research results, questionnaires and publications of the Psychometrics Research Unit (University of Valencia, Spain). Content a mixture of English, Spanish, Valencian and Portuguese.
Chapter from StatSoft's Electronic Statistics Textbook.
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.
Clear introduction to the nature and assessment of test reliability and validity.
Resource for professionals in psychometrics. Operated by Fordham University.
Online textbook by political scientist RJ Rummel.
Introduction to factor analysis, with worked examples.
University of Wollongong based research group. Resources include free software for analysing repertory grids, and searchable citation database of PCP references.
Free downloadable software for analysing repertory grids.
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.