Fitting an Item Response Theory Model With Random Item Effects Across Groups by a Variational Approximation Method IRT
- Author(s):
- Rijmen, Frank; Jeon, Minjeong
- Publication Year:
- 2013
- Source:
- Annals of Operations Research, v206 n1 p647-662, Jul 2013
- Document Type:
- Article
- Page Count:
- 16
- Subject/Key Words:
- Item Response Theory (IRT), Mean Field Approximation, Random Item Effects, Variational Techniques