Subject(s): Measurement. -- Scaling (Social sciences)- Statistics. -- Nature of measurement : Representational measurement, Pragmatic measurement , Non-parametric statistics, Axiom systems -- Process of measurement : Direct and indirect scaling, Guttman scaling, Coombs scaling, Bradley -Terry model, Modern unidimensional scaling methods, latent variable approaches to indirect models. Quantifying categorical scales -- Accuracy of measurement : Validity and reliability, Inter-ratter reliability -- Measurement in Psychology : Standford-Binet intelligence scale, Wechsler adult intelligence scale (WAIS), measuring personality, Clinical assessment, Actuarial vs clinical methods, Educational testing -- Measurement in medicine : Individual and aggregate level, Direct and indirect measurement in medicine, Physical disability , psychological health, Pain, Health-related quality of life , Diagnostic accuracy -- Measurement in the physical science : Finding the forms of equations, Detecting errors, Examples in mathematics and statistics, Units of measurement -- Measurement in economics and the social science : Economic indicators, Price indices, UK retail prices index, American customer satisfaction index, Workload measurement -- Measurement in other areas : Measuring probability, Software metrics, Database management systems, Informetrics