Putting the Alzheimer's cognitive test to the test II: Rasch Measurement Theory

• Published in: Alzheimer's & dementia Vol. 9; no. 1; pp. S10 - S20
• Main Authors: Hobart, Jeremy, Cano, Stefan, Posner, Holly, Selnes, Ola, Stern, Yaakov, Thomas, Ronald, Zajicek, John
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 01.02.2013; The Alzheimer's Association
• Subjects: Alzheimer Disease - diagnosis; Alzheimer Disease - psychology; Alzheimer's disease; Clinical trials; Humans; Neurology; Neuropsychological Tests; Psychometrics; Psychometrics - methods; Rasch Measurement Theory; Reliability; Validity; Clinical trials; Validity; Psychometrics; Rasch Measurement Theory; Reliability; Alzheimer's disease

Abstract Background The Alzheimer's Disease Assessment Scale—Cognitive Behavior section (ADAS-Cog) is the most widely used measure of cognitive performance in AD clinical trials. This key role has rightly brought its performance under increased scrutiny with recent research using traditional ps...