What is the kr20 formula - Study guides, Class notes & Summaries

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What is sensitivity with regard to testing? - Answer- Sensitivity refers to how well it identifies every member of the group. The more sensitive a test is, the more likely it could include some items that should not be in that group. What is specificity in regards to testing? - Answer- Specificity refers to how well a test identifies one those items of a defined group. The more specific a test is the more likely it would omit items that should be on the test. What is the KR20 formula? - An...

[LANGUAGE TESTING AND EVALUATION 10] GÁBOR SZABÓ Applying Item Response Theory in Language Test Item Bank Building Table of contents Acknowledgements 9 Introduction 11 1. Measurement Theory 13 1.1. General Concerns 13 1.2. Educational Measurement 15 1.3. Classical Test Theory 17 1.3.1. The True Score Model 17 1.3.2. Reliability 19 1.3.3. Validity 23 1.3.4. Traditional Item and Person Statistics 29 1.3.5. Summary 39 1.4. Item Response Theory (IRT) 40 1.4.1. Central Concepts 40 1....

[LANGUAGE TESTING AND EVALUATION 10] GÁBOR SZABÓ Applying Item Response Theory in Language Test Item Bank Building Gäbor Szabö Applying Item Response Theory in Language Test Item Bank Building PETER LANG Internationaler Verlag der Wissenschaften Bibliographic Information published by the Deutsche Nationalbibliothek The Deutsche Nationalbibliothek Iists this publication in the Deutsche Nationalbibliografie; detailed bibliographic data is available in the Internet at <>. ISSN...