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) | 1 |
Descriptor
| Comparative Analysis | 1 |
| Error of Measurement | 1 |
| Item Analysis | 1 |
| Item Response Theory | 1 |
| Measurement | 1 |
| Nonparametric Statistics | 1 |
| Regression (Statistics) | 1 |
| Scores | 1 |
| Testing Programs | 1 |
Source
| Journal of Educational and… | 1 |
Author
| Guo, Hongwen | 1 |
| Sinharay, Sandip | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Evaluative | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewed
Direct linkGuo, Hongwen; Sinharay, Sandip – Journal of Educational and Behavioral Statistics, 2011
Nonparametric or kernel regression estimation of item response curves (IRCs) is often used in item analysis in testing programs. These estimates are biased when the observed scores are used as the regressor because the observed scores are contaminated by measurement error. Accuracy of this estimation is a concern theoretically and operationally.…
Descriptors: Testing Programs, Measurement, Item Analysis, Error of Measurement
