An IERI – International Educational Research Institute Journal
Table 3 Country-level regressions of internal homogeneity on education system characteristics
| Â | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | Model 7 | Model 8 |
|---|---|---|---|---|---|---|---|---|
Between-school resource inequality | − 0.441* (0.156) |  |  |  |  |  |  | − 0.295 (0.193) |
External differentiation (tracking) | Â | 0.527* (0.211) | Â | Â | Â | 0.692+ (0.356) | Â | 0.631+ (0.337) |
Vocational orientation |  |  | 0.229 (0.230) |  |  | − 0.242 (0.341) |  | − 0.234 (0.288) |
Standardization of input |  |  |  | − 0.382 (0.264) |  |  | − 0.392 (0.307) | − 0.476* (0.205) |
Standardization of output |  |  |  |  | − 0.293 (0.589) |  | − 0.353 (0.642) | − 0.181 (0.498) |
Intercept | 0.000 (0.229) | 0.000 (0.222) | 0.000 (0.253) | 0.000 (0.245) | 0.196 (0.442) | 0.000 (0.235) | 0.236 (0.501) | 0.121 (0.390) |
N | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
R2 | 0.196 | 0.280 | 0.053 | 0.147 | 0.016 | 0.314 | 0.173 | 0.614 |
R2 (adjusted) | 0.147 | 0.236 | − 0.003 | 0.096 | − 0.043 | 0.223 | 0.064 | 0.451 |