LANGUAGE TESTING AND EVALUATION 10 GÁBOR SZABÓ A
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Exam (elaborations) LANGUAGE TESTING AND EVALUATION 10 GÁBOR SZABÓ A
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Exam (elaborations) LANGUAGE TESTING AND EVALUATION 10 GÁBOR SZABÓ A 
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 
1.4.2. IRT Assumptions 44 
1.4.3. IRT Models 46 
1....
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