In his comments on our previous article, Hinton-Bayre advocates the use of the regression based approach in most cases of determining reliable change. This article comments on Hinton-Bayre’s argument, discusses cases where the regression method might not be the preferred method, and presents adjustments that make the method more generally preferable.
- RCI, reliable change index
- SEP, standard error of prediction
- reliable change index
- difference scores
- practice effects
- standard error of measurement of the difference
- standard error of prediction
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Published Online First 22 August 2006
Competing interests: none declared