Psychometrics
Psychometrics studies the theory and technique of psychological measurement, including test construction, reliability, validity, and scale development.
Core Topics
- Measurement scales and latent traits
- Reliability (internal consistency, test-retest, inter-rater)
- Validity (content, construct, criterion)
- Item analysis and test design
- Classical Test Theory (CTT)
- Item Response Theory (IRT)
- Factor analysis and dimensionality