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Design of pilot studies to inform the construction of composite outcome measures
INTRODUCTION: Composite scales have recently been proposed as outcome measures for clinical trials. For example, the Preclinical Alzheimer's Cognitive Composite (PACC) is the sum of z-score normed component measures assessing episodic memory, timed executive function, and global cognition. Alte...
Autores principales: | Edland, Steven D., Ard, M. Colin, Li, Weiwei, Jiang, Lingjing |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5596916/ https://www.ncbi.nlm.nih.gov/pubmed/28920073 http://dx.doi.org/10.1016/j.trci.2016.12.004 |
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