An introduction to the Rasch measurement model: an example using the Hospital Anxiety and Depression Scale (HADS).
An introduction to the Rasch measurement model: an example using the Hospital Anxiety and Depression Scale (HADS).
J. Pallant,A. Tennant
2007 · DOI: 10.1348/014466506X96931
British Journal of Clinical Psychology · 1,006 Citations
TLDR
The study demonstrates the usefulness of Rasch analysis in assessing the psychometric properties of a scale and suggests that further use of this technique to assess the HADS-14 in other clinical groups is warranted.