Examining the minimum important differen
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Rollin Brant; Lloyd Sutherland; Robert Hilsden
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Article
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1999
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John Wiley and Sons
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English
β 97 KB
The increasing use of constructed scales and indices in clinical science has preceded in many cases a clear understanding of how to appraise the importance of the di erences or changes that are thereby observed. For example, in the design of clinical trials which employ such scales as outcome measur