Descriptor
| Classification | 1 |
| Item Response Theory | 1 |
| Scores | 1 |
| Scoring | 1 |
| Test Items | 1 |
Source
Author
| Chang, Hua-Hua | 1 |
| Mazzeo, John | 1 |
Publication Type
| Reports - Evaluative | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Download full textChang, Hua-Hua; Mazzeo, John – 1993
The item response function (IRF) for a polytomously scored item is defined as a weighted sum of the item category response functions (ICRF, the probability of getting a particular score for a randomly sampled examinee of ability theta). This paper establishes the correspondence between an IRF and a unique set of ICRFs for two of the most commonly…
Descriptors: Classification, Item Response Theory, Scores, Scoring
