Item response theory
Equivalence (formal languages)
Classical test theory
Psychology
Life satisfaction
Metric (unit)
Confirmatory factor analysis
Measurement invariance
Internal consistency
Consistency (knowledge bases)
Test (biology)
Nationality
Scale (ratio)
Sample (material)
Social psychology
Statistics
Econometrics
Structural equation modeling
Psychometrics
Clinical psychology
Mathematics
Geography
Cartography
Biology
Paleontology
Operations management
Discrete mathematics
Chemistry
Archaeology
Geometry
Chromatography
Immigration
Economics
