Search for dissertations about: "pattern-mixture models"
Found 2 swedish dissertations containing the words pattern-mixture models.
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1. Attrition in Studies of Cognitive Aging
Abstract : Longitudinal studies of cognition are preferred to cross-sectional stud- ies, since they offer a direct assessment of age-related cognitive change (within-person change). Statistical methods for analyzing age-related change are widely available. READ MORE
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2. Methods for longitudinal brain imaging studies with dropout
Abstract : One of the challenges in aging research is to understand the brain mechanisms that underlie cognitive development in older adults. Such aging processes are investigated in longitudinal studies, where the within-individual changes over time are observed. However, several methodological issues exist in longitudinal analyses. READ MORE