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Early Cognitive Precursors of Children's Mathematics Learning Disability and Persistent Low Achievement: A 5-Year Longitudinal Study
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Zhang, Xiao; Räsänen, Pekka; Koponen, Tuire; Aunola, Kaisa; Lerkkanen, Marja-Kristiina; Nurmi, Jari-Erik – Child Development, 2020
Mathematical difficulties have been distinguished as mathematics learning disability (MLD) and persistent low achievement (LA). Based on 1,880 Finnish children who were followed from kindergarten (age 6) to fourth grade, this study examined the early risk factors for MLD and LA. Distinct groups of MLD (6.0% of the sample) and LA (25.7%) children…
Descriptors: Learning Problems, Mathematics Instruction, Mathematics Skills, Learning Disabilities
Comorbid Fluency Difficulties in Reading and Math: Longitudinal Stability across Early Grades
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Koponen, Tuire; Aro, Mikko; Poikkeus, Anna-Maija; Niemi, Pekka; Lerkkanen, Marja-Kristiina; Ahonen, Timo; Nurmi, Jari-Erik – Exceptional Children, 2018
We examined the prevalence of comorbidity of dysfluent reading and math skills longitudinally in a representative sample (N = 1,928) and the stability of comorbid and single difficulties from first to fourth grades. The findings indicated that half the children who showed very low performance in one skill also evidenced low or very low performance…
Descriptors: Comorbidity, Longitudinal Studies, Grade 2, Reading Difficulties