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West, Gillian; Melby-Lervåg, Monica; Hulme, Charles – Developmental Psychology, 2021
Impaired procedural learning has been suggested as a possible cause of developmental dyslexia (DD) and developmental language disorder (DLD). We evaluate this theory by performing a series of meta-analyses on evidence from the six procedural learning tasks that have most commonly been used to test this theory: the serial reaction time, Hebb…
Descriptors: Dyslexia, Developmental Disabilities, Language Impairments, Reaction Time
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Swanson, H. Lee; Zheng, Xinhua; Jerman, Olga – Journal of Learning Disabilities, 2009
The purpose of the present study was to synthesize research that compares children with and without reading disabilities (RD) on measures of short-term memory (STM) and working memory (WM). Across a broad age, reading, and IQ range, 578 effect sizes (ESs) were computed, yielding a mean ES across studies of -0.89 (SD = 1.03). A total of 257 ESs…
Descriptors: Reading Difficulties, Short Term Memory, Ability Grouping, Effect Size
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Dickins, David W. – Journal of the Experimental Analysis of Behavior, 2005
Ingenious and seemingly powerful technologies have been developed recently that enable the visualization in some detail of events in the brain concomitant upon the ongoing behavioral performance of a human participant. Measurement of such brain events offers at the very least a new set of dependent variables in relation to which the independent…
Descriptors: Brain Hemisphere Functions, Serial Learning, Research Methodology, Behavioral Sciences