An IERI – International Educational Research Institute Journal
Table 1 Univariate statistics for study variables
Variable | Year 5 | Year9 | ||||
|---|---|---|---|---|---|---|
N | Mean | Std | N | Mean | Std | |
Female | 311,412 | 0.49 | 0.50 | 281,280 | 0.49 | 0.50 |
NESB | 311,412 | 0.25 | 0.43 | 281,280 | 0.23 | 0.42 |
ATSI | 311,412 | 0.06 | 0.23 | 281,280 | 0.06 | 0.23 |
Parents’ education | 292,761 | 0.00 | 1.78 | 259,931 | 0.00 | 1.78 |
Non-Gov school | 311,412 | 0.31 | 0.46 | 281,280 | 0.41 | 0.49 |
Prior numeracy | 272,098 | 400.0 | 81.8 | 244,029 | 545.7 | 71.9 |
Prior reading | 272,694 | 427.5 | 93.7 | 245,341 | 548.5 | 72.0 |
Prior writing | 272,320 | 418.1 | 68.2 | 245,788 | 512.7 | 79.5 |
Prior spelling | 273,118 | 410.5 | 86.8 | 246,394 | 548.1 | 73.4 |
Prior grammar | 273,118 | 435.1 | 101.5 | 246,394 | 543.8 | 83.8 |
School-SES | 309,724 | 0.00 | 1.00 | 277,489 | 0.00 | 0.97 |
School prior Ach. | 309,537 | 0.00 | 0.54 | 278,988 | 0.00 | 0.55 |
Numeracy | 290,147 | 495.4 | 69.9 | 249,646 | 595.6 | 65.0 |
Reading | 291,214 | 506.8 | 83.6 | 251,341 | 583.1 | 70.3 |
Writing | 290,851 | 473.4 | 66.0 | 252,080 | 553.0 | 98.2 |
Spelling | 291,542 | 501.0 | 73.1 | 252,654 | 583.7 | 75.1 |
Grammar | 291,542 | 500.4 | 95.3 | 252,654 | 575.9 | 83.8 |