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Hart, Sara A.; Logan, Jessica A. R.; Thompson, Lee; Kovas, Yulia; McLoughlin, Gráinne; Petrill, Stephen A. – Journal of Educational Psychology, 2016
Underperformance in math is a problem with increasing prevalence, complex etiology, and severe repercussions. This study examined the etiological heterogeneity of math performance in a sample of 264 pairs of 12-year-old twins assessed on measures of math achievement, numerosity, and math anxiety. Latent profile analysis indicated 5 groupings of…
Descriptors: Number Concepts, Numeracy, Mathematics Anxiety, Twins
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Tsao, Yea-Ling – Journal of College Teaching & Learning, 2004
The purpose of this study is to a) explore connections among number sense, mental computation performance and the written computation performance of elementary preservice school teachers; and b) explore the correlation among mental computation skills, computation skills, effect issues and number sense. The sample was composed of students in six…
Descriptors: Numeracy, Numbers, Computation, Mathematics Skills