Descriptor
| Cheating | 1 |
| Identification | 1 |
| Item Response Theory | 1 |
| Power (Statistics) | 1 |
| Test Items | 1 |
| Test Theory | 1 |
Source
| Applied Psychological… | 1 |
Author
| Wollack, James A. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Descriptive | 1 |
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Peer reviewedWollack, James A. – Applied Psychological Measurement, 1997
Introduces a new Item Response Theory (IRT) based statistic for detecting answer copying. Compares this omega statistic with the best classical test theory-based statistic under various conditions, and finds omega superior based on Type I error rate and power. (SLD)
Descriptors: Cheating, Identification, Item Response Theory, Power (Statistics)
