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Boys’ advantage on the fractions number line is mediated by visuospatial attention: Evidence for a parietal‐spatial contribution to number line learning
Developmental Science ( IF 3.1 ) Pub Date : 2020-11-13 , DOI: 10.1111/desc.13063 David C. Geary 1 , John E. Scofield 1 , Mary K. Hoard 1 , Lara Nugent 1
Developmental Science ( IF 3.1 ) Pub Date : 2020-11-13 , DOI: 10.1111/desc.13063 David C. Geary 1 , John E. Scofield 1 , Mary K. Hoard 1 , Lara Nugent 1
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The study tested the hypotheses that boys will have an advantage learning the fractions number line and this advantage will be mediated by spatial abilities. Fractions number line and, as a contrast, fractions arithmetic performance were assessed for 342 adolescents, as was their intelligence, working memory, and various spatial abilities. Boys showed smaller placement errors on the fractions number line (d = −0.22) and correctly solved more fractions arithmetic problems (d = 0.23) than girls. Working memory and intelligence predicted performance on both fractions measures, and a measure of visuospatial attention uniquely predicted number line performance and fully mediated the sex difference. Visuospatial working memory uniquely predicted fractions arithmetic performance and fully mediated the sex difference. The results help to clarify the nuanced relations between spatial abilities and formal mathematics learning and the sex differences that often emerge in mathematical domains that have a visuospatial component.
中文翻译：
男孩在分数数字线上的优势是由视觉空间注意力所介导的：顶空空间对数字线学习的贡献的证据
该研究检验了以下假设：男孩将具有学习分数数字线的优势，而这一优势将由空间能力来调节。评估了342名青少年的分数线和分数的算术性能，以及他们的智力，工作记忆和各种空间能力。Boys在分数数字行上显示出较小的放置错误（d = -0.22），并正确解决了更多的分数算术问题（d = 0.23）。工作记忆和智力可以预测这两个部分的表现，而视觉空间注意力的测量可以唯一地预测号码线的表现并充分介导性别差异。视觉空间工作记忆可唯一预测分数的算术性能并完全介导性别差异。结果有助于阐明空间能力与形式数学学习之间的细微关系，以及在具有视觉空间成分的数学领域中经常出现的性别差异。
更新日期：2020-11-13
中文翻译：
男孩在分数数字线上的优势是由视觉空间注意力所介导的：顶空空间对数字线学习的贡献的证据
该研究检验了以下假设：男孩将具有学习分数数字线的优势，而这一优势将由空间能力来调节。评估了342名青少年的分数线和分数的算术性能，以及他们的智力，工作记忆和各种空间能力。Boys在分数数字行上显示出较小的放置错误（d = -0.22），并正确解决了更多的分数算术问题（d = 0.23）。工作记忆和智力可以预测这两个部分的表现，而视觉空间注意力的测量可以唯一地预测号码线的表现并充分介导性别差异。视觉空间工作记忆可唯一预测分数的算术性能并完全介导性别差异。结果有助于阐明空间能力与形式数学学习之间的细微关系，以及在具有视觉空间成分的数学领域中经常出现的性别差异。
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