Adaptive Quadrature for Item Response Models
- Author(s):
- Haberman, Shelby J.
- Publication Year:
- 2006
- Report Number:
- RR-06-29
- Source:
- ETS Research Report
- Document Type:
- Report
- Page Count:
- 10
- Subject/Key Words:
- Item Response Models, Adaptive Quadrature, Gauss-Hermite Integration, Rasch Model, 2-Parameter Logistic (2PL) Model
Abstract
Adaptive quadrature is applied to marginal maximum likelihood estimation for item response models with normal ability distributions. Even in one dimension, significant gains in speed and accuracy of computation may be achieved.
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- http://dx.doi.org/10.1002/j.2333-8504.2006.tb02035.x