Descriptor
| College Students | 1 |
| Comparative Testing | 1 |
| Correlation | 1 |
| Factor Analysis | 1 |
| Item Response Theory | 1 |
| Methods Research | 1 |
| Multidimensional Scaling | 1 |
| Research Methodology | 1 |
| Scoring Rubrics | 1 |
| Test Reliability | 1 |
| Test Validity | 1 |
| More ▼ | |
Source
| Online Submission | 1 |
Author
| DeMars, Christine E. | 1 |
Publication Type
| Reports - Evaluative | 1 |
| Speeches/Meeting Papers | 1 |
Education Level
| Higher Education | 1 |
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Download full textDeMars, Christine E. – Online Submission, 2005
Several methods for estimating item response theory scores for multiple subtests were compared. These methods included two multidimensional item response theory models: a bi-factor model where each subtest was a composite score based on the primary trait measured by the set of tests and a secondary trait measured by the individual subtest, and a…
Descriptors: Item Response Theory, Multidimensional Scaling, Correlation, Scoring Rubrics
