Effects of Study Load on Science Achievement: Searching for a Turning Point with Multilevel Piecewise Regression.

IF 3 4区社会学 Q1 SOCIAL SCIENCES, INTERDISCIPLINARY

Evaluation Review Pub Date : 2024-10-01 Epub Date: 2023-11-09 DOI:10.1177/0193841X231214824

Xin Ma, Xingkai Luo

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引用次数: 0

Abstract

With an educational issue that has caught the attention of many countries in the world (study load), a population of 8th graders from a typical Chinese metropolitan city (40,536 from 118 schools), and an advanced statistical strategy (multilevel piecewise regression), we examined whether there was a turning point in terms of the effects of study load on science achievement. We did identify a turning point for each and every measure of study load. For weekday learning on science achievement, we identified a turning point of 22.50 hr for the effects of in-school learning, 7.50 hr for the effects of homework, and 12 hr for the effects of after-school learning. For weekend learning on science achievement, we identified a turning point of 1.50 hr for the effects of in-school learning, 5 hr for the effects of homework, and 1 hr for the effects of after-school learning. In each case, the difference in effects before and after the turning point was statistically significant, indicating that the effects of study load on science achievement were nonlinear. All of these turning points offered important implications for science education.

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学习负荷对科学成就的影响：用多级分段回归法寻找转折点。

通过一个引起世界上许多国家关注的教育问题（学习负荷），来自一个典型的中国大都市的八年级学生（来自118所学校的40536人），以及一种先进的统计策略（多级分段回归），我们检验了学习负荷对科学成就的影响是否出现了转折点。我们确实为每一项研究负荷指标确定了一个转折点。对于工作日学习对科学成绩的影响，我们确定了校内学习影响的转折点为22.50小时，家庭作业影响的转折点将为7.50小时，课后学习影响的临界点为12小时。对于周末学习对科学成绩的影响，我们确定了1.5小时的校内学习影响、5小时的家庭作业影响和1小时的课后学习影响的转折点。在每种情况下，转折点前后的效果差异具有统计学意义，表明学习负荷对科学成就的影响是非线性的。所有这些转折点都为科学教育提供了重要的启示。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Evaluation Review SOCIAL SCIENCES, INTERDISCIPLINARY-

CiteScore

2.90

自引率

11.10%

发文量

期刊介绍： Evaluation Review is the forum for researchers, planners, and policy makers engaged in the development, implementation, and utilization of studies aimed at the betterment of the human condition. The Editors invite submission of papers reporting the findings of evaluation studies in such fields as child development, health, education, income security, manpower, mental health, criminal justice, and the physical and social environments. In addition, Evaluation Review will contain articles on methodological developments, discussions of the state of the art, and commentaries on issues related to the application of research results. Special features will include periodic review essays, "research briefs", and "craft reports".