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The causal effects of increased learning intensity on student achievement: Evidence from a natural experiment

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  • Andrietti, Vincenzo

Abstract

I exploit a unique educational policy - implemented in most German states between 2001 and 2007 - that reduced high school duration by one year while keeping its curriculum unaltered to investigate how the resulting increase in learning intensity affected student achievement. Using 2000-2009 PISA data and a difference-in-differences approach, I find robust evidence that the reform significantly improved the reading, mathematics, and science literacy skills acquired by academic-track high school students upon treatment. A more direct estimate of the effects of the increased learning intensity - as measured by the cumulative weekly number of instructional hours delivered in high school grades - corroborates the latter finding. Furthermore, there is some evidence that the effects of the reform differ by gender and grade retention. Finally, I find no evidence of a significant average effect of the reform on high school grade retention, although I do find that the latter increased significantly for boys and for students with a migration background.

Suggested Citation

  • Andrietti, Vincenzo, 2015. "The causal effects of increased learning intensity on student achievement: Evidence from a natural experiment," EconStor Preprints 120874, ZBW - Leibniz Information Centre for Economics.
    • Handle: RePEc:zbw:esprep:120874
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    File URL: https://www.econstor.eu/bitstream/10419/120874/3/wp1506.pdf
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    References listed on IDEAS

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    1. Marianne Bertrand & Esther Duflo & Sendhil Mullainathan, 2004. "How Much Should We Trust Differences-In-Differences Estimates?," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 119(1), pages 249-275.
    2. Agüero, Jorge M. & Beleche, Trinidad, 2013. "Test-Mex: Estimating the effects of school year length on student performance in Mexico," Journal of Development Economics, Elsevier, vol. 103(C), pages 353-361.
    3. Bellei, Cristián, 2009. "Does lengthening the school day increase students' academic achievement? Results from a natural experiment in Chile," Economics of Education Review, Elsevier, vol. 28(5), pages 629-640, October.
    4. Joshua D. Angrist & Alan B. Keueger, 1991. "Does Compulsory School Attendance Affect Schooling and Earnings?," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 106(4), pages 979-1014.
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    Cited by:

    1. Ludger Woessmann, 2016. "The Importance of School Systems: Evidence from International Differences in Student Achievement," Journal of Economic Perspectives, American Economic Association, vol. 30(3), pages 3-32, Summer.
    2. Hofmann, Sarah & Mühlenweg, Andrea, 2018. "Learning intensity effects in students’ mental and physical health – Evidence from a large scale natural experiment in Germany," Economics of Education Review, Elsevier, vol. 67(C), pages 216-234.
    3. Obergruber, Natalie & Zierow, Larissa, 2020. "Students’ behavioural responses to a fallback option - Evidence from introducing interim degrees in german schools," Economics of Education Review, Elsevier, vol. 75(C).
    4. Huebener, Mathias & Kuger, Susanne & Marcus, Jan, 2017. "Increased instruction hours and the widening gap in student performance," Labour Economics, Elsevier, vol. 47(C), pages 15-34.
    5. OIKAWA Masato & TANAKA Ryuichi & BESSHO Shun-ichiro & KAWAMURA Akira & NOGUCHI Haruko, 2022. "Do Class Closures Affect Students' Achievements? Heterogeneous effects of students' socioeconomic backgrounds," Discussion papers 22042, Research Institute of Economy, Trade and Industry (RIETI).
    6. Dahmann, Sarah C., 2017. "How does education improve cognitive skills? Instructional time versus timing of instruction," Labour Economics, Elsevier, vol. 47(C), pages 35-47.
    7. Vincenzo Andrietti & Xuejuan Su, 2019. "The Impact of Schooling Intensity on Student Learning: Evidence from a Quasi-Experiment," Education Finance and Policy, MIT Press, vol. 14(4), pages 679-701, Fall.
    8. Oikawa, Masato & Tanaka, Ryuichi & Bessho, Shun-ichiro & Noguchi, Haruko, 2020. "Do Class Size Reductions Protect Students from Infectious Disease? Lessons for COVID-19 Policy from Flu Epidemic in Tokyo Metropolitan Area," IZA Discussion Papers 13432, Institute of Labor Economics (IZA).
    9. Simon Briole, 2019. "From Teacher Quality to Teaching Quality: Instructional Productivity and Teaching Practices in the US," PSE Working Papers halshs-01993616, HAL.
    10. Dörsam, Michael & Lauber, Verena, 2015. "The Effect of a Compressed High School Curriculum on University Performance," VfS Annual Conference 2015 (Muenster): Economic Development - Theory and Policy 140876, Verein für Socialpolitik / German Economic Association.
    11. Motegi, Hiroyuki & Oikawa, Masato, 2019. "The effect of instructional quality on student achievement: Evidence from Japan," Japan and the World Economy, Elsevier, vol. 52(C).

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    More about this item

    Keywords

    G8; Learning intensity; Instructional hours; Student achievement; Academic-track high school; Difference-in-Differences;
    All these keywords.

    JEL classification:

    • I21 - Health, Education, and Welfare - - Education - - - Analysis of Education
    • I28 - Health, Education, and Welfare - - Education - - - Government Policy
    • D04 - Microeconomics - - General - - - Microeconomic Policy: Formulation; Implementation; Evaluation

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