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Title
Latent structure and factorial invariance of a neuropsychological test battery for the study of preclinical Alzheimer's disease.
Authors
Dowling, N Maritza; Hermann, Bruce; La Rue, Asenath; Sager, Mark A
Abstract
To examine the latent structure of a test battery currently being used in a longitudinal study of asymptomatic middle-aged adults with a parental history of Alzheimer's disease (AD) and test the invariance of the factor solution across subgroups defined by selected demographic variables and known genetic risk factors for AD.