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Desoete, Annemmie; De Weerd, Frauke; Vanderswalmen, Ruth; De Bond, Annemie – International Journal for Research in Learning Disabilities, 2014
The study was conducted to look at differences between children who outgrew and did not outgrow an early diagnosis of mathematical learning disorder (MD; n=13), and peers without MD (n=13). Children were tested at 5, 6, 7 and 10 years of age. About 54% of the children with an early diagnosis of MD still experienced mathematical difficulties at the…
Descriptors: Learning Disabilities, Longitudinal Studies, Disability Identification, Mathematics Skills
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Hickendorff, Marian; van Putten, Cornelis M.; Verhelst, Norman D.; Heiser, Willem J. – Journal of Educational Psychology, 2010
Individual differences in strategy use (choice and accuracy) were analyzed. A sample of 362 Grade 6 students solved complex division problems under 2 different conditions. In the choice condition students were allowed to use either a mental or a written strategy. In the subsequent no-choice condition, they were required to use a written strategy.…
Descriptors: Individual Differences, Grade 6, Item Response Theory, Computation
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Kolovou, Angeliki; van den Heuvel-Panhuizen, Marja; Koller, Olaf – Journal for Research in Mathematics Education, 2013
This study investigated whether an intervention including an online game contributed to 236 Grade 6 students' performance in early algebra, that is, solving problems with covarying quantities. An exploratory quasi-experimental study was conducted with a pretest-posttest-control-group design. Students in the experimental group were asked to solve…
Descriptors: Intervention, Algebra, Student Improvement, Problem Solving
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Tempelaar, Dirk T.; Gijselaers, Wim H.; van der Loeff, Sybrand Schim – Journal of Statistics Education, 2006
The Statistical Reasoning Assessment or SRA is one of the first objective instruments developed to assess students' statistical reasoning. Published in 1998 (Garfield, 1998a), it became widely available after the Garfield (2003) publication. Empirical studies applying the SRA by Garfield and co-authors brought forward two intriguing puzzles: the…
Descriptors: Thinking Skills, Cognitive Processes, Measures (Individuals), Student Characteristics