Research Practical Psychometrics
Full course description
This skills training provides a thorough overview of the basic principles of psychological measurement (i.e., psychometrics). Topics that are covered include classical test theory, reliability analysis (e.g., test-retest, parallel forms, split-half, Cronbach’s alpha), validity (e.g., content, criterion, construct), principal component analysis, factor analysis (exploratory and confirmatory), and item response theory. SPSS, LISREL, and R will be used for the analyses.
Students will be able to understand:
- the classical test theory (CTT) model;
- methods for estimating the reliability of measurements based on the CTT;
- various types of validity (content, criterion, and construct validity);
- how to use the Spearman-Brown equation;
- how to use the correction for attenuation and range restriction;
- how to apply and interpret the results of a principal component and exploratory factor analysis;
- how to apply and interpret the results of a confirmatory factor analysis;
- basic principles of item response theory (IRT).