class size

Effect
Average

?

Learning

Points

DETAILED INFORMATION

CONTEXT

Country Israel
GDP per capita 19,061

INTERVENTION

Implementation year 1991
Implementer Government
Duration (months) 9
Cost -
Intervention details Class size reduction from 25 to 20 students (computed from the original estimate of reducing the class size from 30 to 29); 210 schools participated

METHODOLOGY

Evaluation design Instrumental variables
Cluster definition School

REFERENCES

Study Angrist, Joshua D., and Victor Lavy. "Using Maimonides' Rule to Estimate the Effect of Class Size on Scholastic Achievement." The Quarterly Journal of Economics 114, no. 2 (1999): 533-575.

EFFECTS

Sample Outcome Test Source Table Observations Statistics on Effects%2%
Grade 4 Math National testing program 5 415 415 Coeff: -0.02; SE: 0.16; SD: 9.10
Grade 3 Language National testing program 8 2,111 2.111 Coeff: 0.04; SE: 0.06; SD: 6.10
Grade 3 Math National testing program 8 2,111 2.111 Coeff: 0.07; SE: 0.07; SD: 6.80
Grade 4 Language National testing program 5 415 415 Coeff: 0.15; SE: 0.13; SD: 7.80
Grade 5 Math National testing program 4 471 471 Coeff: 0.44; SE: 0.24; SD: 10.20
Grade 5 Language National testing program 4 471 471 Coeff: 0.58; SE: 0.18; SD: 8.20
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