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Martin, Rebecca B.; Cirino, Paul T.; Barnes, Marcia A.; Ewing-Cobbs, Linda; Fuchs, Lynn S.; Stuebing, Karla K.; Fletcher, Jack M. – Journal of Learning Disabilities, 2013
The present study evaluated the stability of math learning difficulties over a 2-year period and investigated several factors that might influence this stability (categorical vs. continuous change, liberal vs. conservative cut point, broad vs. specific math assessment); the prediction of math performance over time and by performance level was also…
Descriptors: Mathematics Instruction, Mathematics Skills, Learning Problems, Longitudinal Studies
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Rohde, Treena Eileen; Thompson, Lee Anne – Intelligence, 2007
The purpose of the present study is to explain variation in academic achievement with general cognitive ability and specific cognitive abilities. Grade point average, Wide Range Achievement Test III scores, and SAT scores represented academic achievement. The specific cognitive abilities of interest were: working memory, processing speed, and…
Descriptors: Academic Achievement, Cognitive Ability, Cognitive Style, Cognitive Tests