Abstract
This paper reviews important methodological considerations for developing item banks and computerized adaptive scales (commonly called computerized adaptive tests in the educational measurement literature, yielding the acronym CAT), including issues of the reference population, dimensionality, dichotomous versus polytomous response scales, differential item functioning (DIF) and conditional scoring, mode effects, the impact of local dependence, and innovative approaches to assessment using CATs in health outcomes research.
| Original language | English |
|---|---|
| Pages (from-to) | 109-119 |
| Number of pages | 11 |
| Journal | Quality of Life Research |
| Volume | 16 |
| Issue number | SUPPL. 1 |
| DOIs | |
| State | Published - 08 2007 |
| Externally published | Yes |
Keywords
- Computerized adaptive scale
- Computerized adaptive test
- Differential item functioning
- Dimensionality assessment
- Item bank
- Item response theory
- Local dependence
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