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Bielak, Allison A. M.; Anstey, Kaarin J. – Developmental Psychology, 2019
Intraindividual variability (IIV) in cognitive speed, or moment-to-moment changes in ability, is a developmental phenomenon indicative of neurological integrity that increases gradually across adulthood. Past research has shown that IIV negatively covaries with cognitive performance, in which higher IIV at one occasion is associated with poorer…
Descriptors: Cognitive Processes, Individual Differences, Cognitive Ability, Adult Development
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Rast, Philippe – Developmental Psychology, 2011
The present study aimed at modeling individual differences in a verbal learning task by means of a latent structured growth curve approach based on an exponential function that yielded 3 parameters: initial recall, learning rate, and asymptotic performance. Three cognitive variables--speed of information processing, verbal knowledge, working…
Descriptors: Verbal Learning, Predictor Variables, Individual Differences, Short Term Memory
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Al-Namlah, Abdulrahman S.; Fernyhough, Charles; Meins, Elizabeth – Developmental Psychology, 2006
Cross-national stability in private speech (PS) and short-term memory was investigated in Saudi Arabian (n=63) and British (n=58) 4- to 8-year-olds. Assumed differences in child-adult interaction between the 2 nationality groups led to predictions of Gender ? Nationality interactions in the development of verbal mediation. British boys used more…
Descriptors: Sociocultural Patterns, Gender Differences, Cognitive Processes, Foreign Countries