Table 1 Descriptive data of test scores within subject groups
Groups | M (SD) | Cohen’s d and % difference compared to 0F group |
|---|---|---|
Language | ||
 3F group (n = 37,363) | 55.3 ± 19.1 | 0.20; 7.6% |
 2F group (n = 46,278) | 53.7 ± 19.2 | 0.12; 4.5% |
 F3 group (n = 24,868) | 53.3 ± 19.2 | 0.10; 3.7% |
 1F group (n = 51,203) | 52.2 ± 19.2 | 0.04; 1.6% |
 0F group (n = 222,547) | 51.4 ± 19.2 | – |
Foreign language | ||
 3F group (n = 37,363) | 56.3 ± 23.4 | 0.21; 9.5% |
 2F group (n = 46,278) | 54.3 ± 23.7 | 0.12; 5.6% |
 F3 group (n = 24,868) | 53.7 ± 23.6 | 0.10; 4.5% |
 1F group (n = 51,203) | 52.6 ± 23.7 | 0.05; 2.3% |
 0F group (222547) | 51.4 ± 23.7 | – |
Math | ||
 3F group (n = 37,363) | 56.5 ± 19.5 | 0.29; 11.2% |
 2F group (n = 46,278) | 54.4 ± 19.7 | 0.18; 7.1% |
 F3 group (n = 24,868) | 53.7 ± 19.5 | 0.15; 5.7% |
 1F group (n = 51,203) | 52.3 ± 19.8 | 0.08; 3.0% |
 0F group (222547) | 50.8 ± 19.8 | – |
Social Science | ||
 3F group (n = 37,363) | 56.3 ± 20.9 | 0.24; 10.0% |
 2F group (n = 46,278) | 54.3 ± 21.2 | 0.15; 6.1% |
 F3 group (n = 24,868) | 54.0 ± 21.0 | 0.13; 5.5% |
 1F group (n = 51,203) | 52.4 ± 21.2 | 0.06; 2.3% |
 0F group (222547) | 51.2 ± 21.0 | – |
Science | ||
 3F group (n = 37,363) | 56.3 ± 18.8 | 0.30; 10.8% |
 2F group (n = 46,278) | 54.3 ± 18.8 | 0.19; 6.9% |
 F3 group (n = 24,868) | 53.7 ± 18.7 | 0.16; 5.7% |
 1F group (n = 51,203) | 52.2 ± 18.7 | 0.08; 2.8% |
 0F group (n = 222,547) | 50.8 ± 18.5 | – |