Table 1 Sample distribution
| Â | Counties | Schools | Students | Boarding students | Non-boarding students | Students tested by Raven | Students tested by Wechsler | Students tested by the Big five |
|---|---|---|---|---|---|---|---|---|
Total Sample | 19 | 160 | 5660 | 2601 | 3059 | 2503 | 472 | 5166 |
Province A | 7 | 90 | 3413 | 841 | 2572 | 1530 | 208 | 3136 |
Province B | 12 | 70 | 2247 | 1760 | 487 | 973 | 264 | 2030 |