Studies of a Latent-Class Signal-Detection Model for Constructed-Response Scoring
- Author(s):
- DeCarlo, Lawrence T.
- Publication Year:
- 2008
- Report Number:
- RR-08-63
- Source:
- ETS Research Report
- Document Type:
- Report
- Page Count:
- 55
- Subject/Key Words:
- Constructed Response, Rater Effects, Signal-Detection Theory, Latent Class Models, Classification, Agreement, Block-design tests.
Abstract
The relation of rater parameters to agreement statistics and classification accuracy is examined. The effects of using a balanced, incomplete block design are compared to those for a fully crossed design. The model is applied to several ETS databases.
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- http://dx.doi.org/10.1002/j.2333-8504.2008.tb02149.x