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Learning in primary > Class size (eLP) > Urquiola 2006

Detailed Information

Country	Country: Bolivia
GDP per capita	1.375
Context details	N/A
Age	Grade 3

2. Intervention

Implementation year	1996
Implementer	Government
Duration (months)	9
Cost	N/A
Intervention details	Class size reduction from 25 to 20 students (computed from the original estimate of reducing the class size from 30 to 29)

Evaluation design	Instrumental variables
Cluster definition	Class

Sample	Outcome	Test	Source Table	Observations	Statistics on Effects
Complete sample	Math	Standardized test SIMECAL	5	3594	Coeff: 0.22; SE: 0.13; SD: 9.20
Complete sample	Language	Standardized test SIMECAL	5	3594	Coeff: 0.29; SE: 0.12; SD: 9.30

Study	Urquiola, Miguel, and Eric Verhoogen. "Class-size caps, sorting, and the regression-discontinuity design." The American Economic Review 99, no. 1 (2009): 179-215.