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Rasch, Georg – 1993
The psychometric research done by G. Rasch between 1951 and 1959, which is explained and illustrated in this book, takes psychometrics from being purely descriptive to being a science of objective measurement. Individual centered statistics require models in which each individual is characterized separately and from which, given adequate data,…
Descriptors: Achievement Tests, Estimation (Mathematics), Intelligence Tests, Item Response Theory
