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Table 6 Country-level regressions of internal homogeneity on education system characteristics using all available country cases for each specification

From: Measuring the signaling value of educational degrees: secondary education systems and the internal homogeneity of educational groups

  Model 1 Model 2 Model 3 Model 4 Model 5 Model 6 Model 7 Model 8
Between-school resource inequality − 0.436* (0.155)        − 0.295 (0.193)
External differentiation (tracking)   0.523* (0.203)     0.675+ (0.342)   0.631+ (0.337)
Vocational orientation    0.231 (0.217)    − 0.224 (0.332)   − 0.234 (0.288)
Standardization of input     − 0.341 (0.258)    − 0.386 (0.304) − 0.476* (0.205)
Standardization of output      − 0.297 (0.567)   − 0.374 (0.625) − 0.181 (0.498)
Intercept − 0.015 (0.216) − 0.049 (0.209) − 0.056 (0.222) − 0.071 (0.221) 0.196 (0.441) − 0.046 (0.220) 0.238 (0.499) 0.121 (0.390)
N 19 20 21 21 19 20 19 18
R2 0.192 0.254 0.051 0.111 0.017 0.281 0.170 0.614
R2 (adjusted) 0.145 0.214 0.004 0.066 − 0.039 0.197 0.068 0.451
  1. Heteroskedasticity-consistent (HC3) standard errors in parentheses
  2. +p < 0.1; * p < 0.05 (two-tailed tests)