Chemistry topics posing incommensurate difficulty to students with low math aptitude scores
Chemistry topics posing incommensurate difficulty to students with low math aptitude scores
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化学主题给数学能力分数低的学生带来了不相称的难度
DOI:
10.1039/c8rp00115d
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发表时间:
2018
影响因子:
3
通讯作者:
Lewis, Scott E.
中科院分区:
文献类型:
--
作者:
Ralph, Vanessa R.;Lewis, Scott E.
The identification of students at risk for academic failure in undergraduate chemistry courses has been heavily addressed in the literature. Arguably one of the strongest and most well-supported predictors of undergraduate success in chemistry is the mathematics portion of the SAT (SAT-M), a college-entrance, standardized test administered by the College Board. While students scoring in the bottom quartile of the SAT-M (herein referred to as at-risk) perform significantly worse on first-semester chemistry assessments, little is known of the topics on which these students differentially struggle. The purpose of this study is to provide insight as to which first-semester chemistry topics present an incommensurate challenge to at-risk students. Students were identified as either at-risk or not at-risk via SAT-M scores. Students’ assessment responses were collected across four semesters of first-semester chemistry courses at a large, public university (N = 5636). At-risk students struggled consistently across all topics but disproportionately with mole concept and stoichiometry. Analyzing the trend in topics suggests that the struggles of at-risk students are not entirely attributable to topics that rely heavily on algorithms or algebraic math. Moreso, at-risk students found to have performed well on mole concept and stoichiometry went on to perform similarly as their not at-risk peers. The results support an instructional emphasis on these topics with reviewed literature offering promising, practical options to better serve at-risk students and broaden representation in the sciences.
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影响因子:
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作者:
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DOI:
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发表时间:
1993
期刊:
影响因子:
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