Differential Item Functioning in a Cognitive Test

05/17/2002


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Table of Contents

Differential Item Functioning in a Cognitive Test

Outline

1. DIF Background - 1

1. DIF Background - 2

1. DIF background - 3

2. Techniques for DIF - IRT - 1

2. Techniques for DIF - IRT - 2

2. Techniques for DIF - IRT - 3

2. Techniques for DIF - IRT – 4

2. DIF techniques - nonIRT - 1

2. DIF techniques - nonIRT - 2

2. DIF techniques - nonIRT - 3

3. Our methods - 1

3. Our methods - 2

3. Our methods - 3

PPT Slide

4. Our study - 1

4. Our study - 2

4. Our study - 3

4. Our study - 4

4. Our study - 5

4. Our study - 6

Item response theory

Test characteristic curve

2- parameter logistic model

4. Our study - 7

5. Our results - 1

5. Our results - 2

5. Our results - 3

5. Our results - 4

6. Discussion of our findings - 1

6. Discussion of our findings - 2

6. Discussion of our findings - 3

Acknowledgements

Author: Paul Crane