Using Differential Item Functioning Procedures to Explore Sources of Item Difficulty and Group Performance Characteristics
- Author(s):
- Scheuneman, Janice Dowd; Gerritz, Kalle
- Publication Year:
- 1990
- Source:
- Journal of Educational Measurement, v27 n2 p109-131, Sum 1990
- Document Type:
- Article
- Page Count:
- 23
- Subject/Key Words:
- Differential Item Functioning (DIF), Difficulty Level, Group Differences, Item Analysis, Performance Factors