Class Size, Instruction Time and Central Exit Examinations : disentangling the Relative Contributions to Scholastic Achievement
We analyze the effects of instruction time and class size on student achievement in Germany. Using econometric evaluation techniques we are able to deal with unobserved heterogeneity in the student body. Specifically we apply first-difference methods and matching across subjects to control for overall student ability and specific skills. We find that an increase in class size reduces the performance of the students, while additional lessons improve the test score achievement. Both effects differ across federal states and individuals: Additional instruction time in states with central exit examinations enhances performance, while there is no effect in states without central exit examinations and more able students profit more from additional lessons as compared to their less able fellow students. We furthermore show that that reductions in class size accompanied by a decrease in instruction time can be a cost neutral instrument to raise student performance in states with central exit examinations.
|Date of creation:||26 Apr 2005|
|Date of revision:|
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- Ludger Wößmann & Martin R. West, 2002.
"Class-Size Effects in School Systems Around the World: Evidence from Between-Grade Variation in TIMSS,"
Kiel Working Papers
1099, Kiel Institute for the World Economy.
- Wo[ss]mann, Ludger & West, Martin, 2006. "Class-size effects in school systems around the world: Evidence from between-grade variation in TIMSS," European Economic Review, Elsevier, vol. 50(3), pages 695-736, April.
- Woessmann, Ludger & West, Martin R., 2002. "Class-Size Effects in School Systems Around the World: Evidence from Between-Grade Variation in TIMSS," IZA Discussion Papers 485, Institute for the Study of Labor (IZA).
- Wößmann, Ludger & West, Martin R., 2006. "Class-size effects in school systems around the world: Evidence from between-grade variation in TIMSS," Munich Reprints in Economics 19673, University of Munich, Department of Economics.
- Alan B. Krueger, 1999. "Experimental Estimates of Education Production Functions," The Quarterly Journal of Economics, Oxford University Press, vol. 114(2), pages 497-532.
- Lindahl, Mikael, 2001.
"Home versus School Learning: A New Approach to Estimating the Effect of Class Size on Achievement,"
IZA Discussion Papers
261, Institute for the Study of Labor (IZA).
- Mikael Lindahl, 2005. "Home versus School Learning: A New Approach to Estimating the Effect of Class Size on Achievement," Scandinavian Journal of Economics, Wiley Blackwell, vol. 107(2), pages 375-394, 06.
- Wößmann, Ludger, 2002. "Central Exams Improve Educational Performance: International Evidence," Kiel Discussion Papers 397, Kiel Institute for the World Economy (IfW).
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