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Heikkilä, Riikka; Torppa, Minna; Aro, Mikko; Närhi, Vesa; Ahonen, Timo – Journal of Learning Disabilities, 2016
This study explored the double-deficit hypothesis (DDH) in a transparent orthography (Finnish) and extended the view from reading disabilities to comorbidity of learning-related problems in math and attention. Children referred for evaluation of learning disabilities in second through sixth grade (N = 205) were divided into four groups based on…
Descriptors: Hypothesis Testing, Foreign Countries, Finno Ugric Languages, Reading Difficulties
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Puolakanaho, Anne; Poikkeus, Anna-Maija; Ahonen, Timo; Tolvanen, Asko; Lyytinen, Heikki – Journal of Learning Disabilities, 2003
Four computer-animated tasks were created to analyze the underlying structure of emerging phonological awareness at 3.5 years of age and to explore factors that influence children's (n=91) performance. The children were able to master tasks demanding identification, blending, and continuation of phonological units. Analysis supported two major…
Descriptors: Auditory Perception, Beginning Reading, Cognitive Processes, Computer Assisted Testing