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Salthouse, Timothy A. – Intelligence, 2011
The cognitive abilities involved in the Connections (Salthouse, et al., 2000) version of the trail making test were investigated by administering the test, along with a battery of cognitive tests and tests of complex span and updating conceptualizations of working memory, to a sample of over 3600 adults. The results indicate that this variant of…
Descriptors: Cognitive Tests, Recreational Facilities, Age Differences, Short Term Memory
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Salthouse, Timothy A. – Brain and Cognition, 2010
Researchers frequently attempt to identify the specific neurocognitive processes that might be responsible for differences in performance associated with neurological status or other individual difference characteristics by administering two or more conditions of an experimental task to different groups of participants, and focusing on the…
Descriptors: Inhibition, Age Differences, Individual Differences, Cognitive Processes
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Salthouse, Timothy A.; Pink, Jeffrey E.; Tucker-Drob, Elliot M. – Intelligence, 2008
The nature of fluid intelligence was investigated by identifying variables that were, and were not, significantly related to this construct. Relevant information was obtained from three sources: re-analyses of data from previous studies, a study in which 791 adults performed storage-plus-processing working memory tasks, and a study in which 236…
Descriptors: Intelligence, Short Term Memory, Adults, Cognitive Processes
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Zhang, Zhiyong; Davis, Hasker P.; Salthouse, Timothy A.; Tucker-Drob, Elliot M. – Learning and Individual Differences, 2007
Latent growth models were applied to data on multitrial verbal and spatial learning tasks from two independent studies. Although significant individual differences in both initial level of performance and subsequent learning were found in both tasks, age differences were found only in mean initial level, and not in mean learning. In neither task…
Descriptors: Age Differences, Spatial Ability, Models, Verbal Learning
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Salthouse, Timothy A.; Davis, Hasker P. – Developmental Review, 2006
Data from over 3400 individuals ranging from 5 to 93 years of age were analyzed to investigate the structural organization of cognitive variables, and to use that structure to examine relations between cognitive abilities and neuropsychological variables. The results indicated that the variables could be organized into the same cognitive ability…
Descriptors: Cognitive Ability, Neuropsychology, Cognitive Development, Psychometrics
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Salthouse, Timothy A. – Developmental Psychology, 1998
Used cross-sectional life span data from normative sample for Woodcock-Johnson Psycho-Educational Battery to examine independence of age-related cognitive changes in childhood and adulthood. Found that majority of age-related differences were shared across different cognitive variables and were well predicted by individual differences in…
Descriptors: Adults, Age Differences, Children, Cognitive Ability