Evaluating the longitudinal item and category stability of the SF-36 full and summary scales using rasch analysis
Introduction. The Medical Outcome Study Short Form 36 (SF-36) is widely used for measuring Health-Related Quality of Life (HRQoL) and has undergone rigorous psychometric evaluation using Classic Test Theory (CTT). However, Item Response Theory-based evaluation of the SF-36 has been limited with an o...
| Main Authors: | , , , |
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| Format: | Journal Article |
| Published: |
Hindawi Publishing Corporation
2018
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| Online Access: | http://hdl.handle.net/20.500.11937/74109 |