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Table 4 IV 2SLS estimates of the second stage model, instrument: distance to school (PISA score in 2010)

From: Introduction to instrumental variables and their application to large-scale assessment data

Predictors Reading Mathematics Science
Friends in classroom 6.885 (16.18) 17.24 (15.58) 6.171 (17.07)
PISA 2009 score 0.782*** (0.0147) 0.889*** (0.0154) 0.845*** (0.0152)
ESCS 2.466** (1.135) 2.878*** (1.041) 1.682 (1.190)
Live in the countryside 0.317 (2.047) 0.533 (2.141) −1.026 (2.246)
Type of school
General comprehensive (Reference category)
Vocational with comprehensive program −14.26*** (3.858) −1.088 (4.111) −9.010** (4.027)
Basic vocational school −39.74*** (3.997) −30.86*** (4.424) −34.54*** (4.579)
Female 6.074*** (1.971) −0.133 (2.238) −0.0123 (2.332)
N 4951 4951 4951
Adj. R2 0.791 0.825 0.775
  1. Standard errors in parentheses
  2. * p < 0.1; ** p < 0.05; *** p < 0.01