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Rasch model

From Wiktionary, the free dictionary

English

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Etymology

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Named after Georg Rasch.

Noun

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Rasch model (plural Rasch models)

  1. A psychometric model for analysis of categorical data, such as answers to a questionnaire, as a function of the trade-off between (a) the respondent's abilities, attitudes or personality traits and (b) the item difficulty.
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