Effects of double-dose algebra on college persistence and degree attainment

Effects of double-dose algebra on college persistence and degree attainment
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双剂量代数对大学坚持和学位获得的影响

DOI:
10.1073/pnas.2019030118
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发表时间:
2021
期刊:
Proceedings of the National Academy of Sciences
影响因子:
--
通讯作者:
Smith, Jake J.
Smith, Jake J.
中科院分区:
--
文献类型:
--
作者:
Nomi, Takako;Raudenbush, Stephen W.;Smith, Jake J.

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2003年,芝加哥公立学校引入了双倍代数课程,要求八年级数学成绩低于全国平均水平的九年级新生上两节数学课--一节代数课和一节代数辅导课。使用回归不连续设计,早期的研究显示了该计划的可喜成果:对于中等技能的学生,双剂量代数提高了代数考试成绩,通过率,高中毕业率和大学入学率。这项研究是在12年后对同一批学生进行的。我们的研究结果表明,在2003年的队列中,中等技能的学生,双剂量显着增加学期的大学出席和大学学位的实现。这些结果在2004年的队列中没有重复。重要的是,这项政策对中等技能学生的影响在很大程度上取决于班级的组织方式。2003年,在坚持以分数为基础的课程分配,但没有将中等技能的学生与低技能的同龄人分组的学校,对大学持续性和学位获得的影响很大。在2004年,很少有学校以这种方式执行这项政策。
In 2003, Chicago Public Schools introduced double-dose algebra, requiring two periods of math—one period of algebra and one of algebra support—for incoming ninth graders with eighth-grade math scores below the national median. Using a regression discontinuity design, earlier studies showed promising results from the program: For median-skill students, double-dose algebra improved algebra test scores, pass rates, high school graduation rates, and college enrollment. This study follows the same students 12 y later. Our findings show that, for median-skill students in the 2003 cohort, double-dose significantly increased semesters of college attended and college degree attainment. These results were not replicated for the 2004 cohort. Importantly, the impact of the policy on median-skill students depended largely on how classes were organized. In 2003, the impacts on college persistence and degree attainment were large in schools that strongly adhered to the cut-score-based course assignment, but without grouping median-skill students with lower-skill peers. Few schools implemented the policy in such a way in 2004.
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