An IERI – International Educational Research Institute Journal
Table 6 Country-level regressions of internal homogeneity on education system characteristics using all available country cases for each specification
| Â | 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) | Â | 0.523* (0.203) | Â | Â | Â | 0.675+ (0.342) | Â | 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 |