Publication Date
| In 2026 | 0 |
| Since 2025 | 0 |
| Since 2022 (last 5 years) | 0 |
| Since 2017 (last 10 years) | 0 |
| Since 2007 (last 20 years) | 2 |
Descriptor
| Correlation | 2 |
| Item Response Theory | 2 |
| Comparative Analysis | 1 |
| Data Analysis | 1 |
| English | 1 |
| Evaluation Methods | 1 |
| Factor Analysis | 1 |
| Graphs | 1 |
| Models | 1 |
| Reliability | 1 |
| Scores | 1 |
| More ▼ | |
Source
| Educational Testing Service | 2 |
Author
| Rijmen, Frank | 1 |
| Sinharay, Sandip | 1 |
Publication Type
| Information Analyses | 1 |
| Reports - Evaluative | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Download full textSinharay, Sandip – Educational Testing Service, 2010
Recently, there has been an increasing level of interest in subscores for their potential diagnostic value. Haberman (2008) suggested a method based on classical test theory to determine whether subscores have added value over total scores. This paper provides a literature review and reports when subscores were found to have added value for…
Descriptors: Scores, Correlation, Reliability, Item Response Theory
Rijmen, Frank – Educational Testing Service, 2009
Three multidimensional item response theory (IRT) models for testlet-based tests are described. In the bifactor model (Gibbons & Hedeker, 1992), each item measures a general dimension in addition to a testlet-specific dimension. The testlet model (Bradlow, Wainer, & Wang, 1999) is a bifactor model in which the loadings on the specific dimensions…
Descriptors: Item Response Theory, Models, Graphs, Comparative Analysis
