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Buczylowska, Dorota; Ronniger, Pola; Melzer, Jessica; Petermann, Franz – Journal of Intelligence, 2019
The aim of this study was to investigate sex similarities and differences in visuospatial and fluid abilities and IQ scores based on those abilities in children aged two to eight. Standardization data from the Snijders-Oomen Nonverbal Intelligence Test for Children aged 2-8 (SON-R 2-8) were used. A representative sample composed of 965 children…
Descriptors: Gender Differences, Visual Perception, Spatial Ability, Intelligence Quotient
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van Viersen, Sietske; Kroesbergen, Evelyn H.; Slot, Esther M.; de Bree, Elise H. – Journal of Learning Disabilities, 2016
This study investigated how gifted children with dyslexia might be able to mask literacy problems and the role of possible compensatory mechanisms. The sample consisted of 121 Dutch primary school children that were divided over four groups (typically developing [TD] children, children with dyslexia, gifted children, gifted children with…
Descriptors: Dyslexia, Academically Gifted, Reading Skills, Elementary School Students
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van den Berge, Kees; van Gog, Tamara; Mamede, Silvia; Schmidt, Henk G.; van Saase, Jan L. C. M.; Rikers, Remy M. J. P. – Interactive Learning Environments, 2013
Research has shown that for acquiring problem-solving skills, instruction consisting of studying worked examples is more effective and efficient for novice learners than instruction consisting of problem-solving. This study investigated whether worked examples would also be a useful instructional format for the acquisition of visual perceptual…
Descriptors: Skill Development, Visual Perception, Diagnostic Tests, Heart Disorders
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van den Boer, Madelon; de Jong, Peter F.; Haentjens-van Meeteren, Marleen M. – Scientific Studies of Reading, 2013
Beginning readers' reading latencies increase as words become longer. This length effect is believed to be a marker of a serial reading process. We examined the effects of visual and phonological skills on the length effect. Participants were 184 second-grade children who read 3- to 5-letter words and nonwords. Results indicated that reading…
Descriptors: Grade 2, Elementary School Students, Phonological Awareness, Visual Perception