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van Bergen, Elsje; de Jong, Peter F.; Maassen, Ben; Krikhaar, Evelien; Plakas, Anna; van der Leij, Aryan – Journal of Learning Disabilities, 2014
Do children who go on to develop dyslexia show normal verbal and nonverbal development before reading onset? According to the aptitude-achievement discrepancy model, dyslexia is defined as a discrepancy between intelligence and reading achievement. One of the underlying assumptions is that the general cognitive development of children who fail to…
Descriptors: Children, Intelligence Quotient, Dyslexia, Young Children
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McGlannan, Frances, Ed. – Journal of Learning Disabilities, 1977
Descriptors: Arithmetic, Cognitive Development, Conservation (Concept), Educational Diagnosis