Descriptive and Inferential Procedures for Assessing Differential Item Functioning in Polytomous Items DIF SMD
- Author(s):
- Zwick, Rebecca J.; Thayer, Dorothy T.; Mazzeo, John
- Publication Year:
- 1997
- Source:
- Applied Measurement in Education, v10 n4 p321-344, 1997
- Document Type:
- Article
- Page Count:
- 24
- Subject/Key Words:
- Differential Item Functioning (DIF), Polytomous Items, Standardized Mean Differences (SMD), SIBTEST, Mantel Method