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Math Fluency Is Etiologically Distinct from Untimed Math Performance, Decoding Fluency, and Untimed Reading Performance: Evidence from a Twin Study
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Petrill, Stephen; Logan, Jessica; Hart, Sara; Vincent, Pamela; Thompson, Lee; Kovas, Yulia; Plomin, Robert – Journal of Learning Disabilities, 2012
The authors examined whether math fluency was independent from untimed math and from reading using 314 pairs of school-aged twins drawn from the Western Reserve Reading and Math Projects. Twins were assessed through a 90-min home visit at approximately age 10 and were reassessed in their homes approximately 1 year later. Results suggested that the…
Descriptors: Mathematics Achievement, Twins, Reading Fluency, Home Visits
A Factorial Analysis of Timed and Untimed Measures of Mathematics and Reading Abilities in School Aged Twins
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Hart, Sara A.; Petrill, Stephen A.; Thompson, Lee A. – Learning and Individual Differences, 2010
The present study examined the phenotypic and genetic relationship between fluency and non-fluency-based measures of reading and mathematics performance. Participants were drawn from the Western Reserve Reading and Math Project, an ongoing longitudinal twin project of same-sex MZ and DZ twins from Ohio. The present analyses are based on…
Descriptors: Twins, Genetics, Reading Ability, Mathematics Achievement
Predicting Urban Elementary Student Success and Passage on Ohio's High-Stakes Achievement Measures Using DIBELS Oral Reading Fluency and Informal Math Concepts and Applications: An Exploratory Study Employing Hierarchical Linear Modeling
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Merkle, Erich Robert – ProQuest LLC, 2011
Contemporary education is experiencing substantial reform across legislative, pedagogical, and assessment dimensions. The increase in school-based accountability systems has brought forth a culture where states, school districts, teachers, and individual students are required to demonstrate their efficacy towards improvement of the educational…
Descriptors: Reading Fluency, Reading Achievement, Predictor Variables, Identification