Psychology: Research and Review
Table 2 Sample characteristics
From: Development of the Arithmetic Subtest of the School Achievement Test-Second Edition
Type of school | Gender | Age | |||||
|---|---|---|---|---|---|---|---|
Grade | N | Public | Private | Female | Male | Mean | SD |
1st | 24 | 13 | 11 | 11 | 13 | 7.0 | 0.43 |
2nd | 26 | 14 | 12 | 13 | 13 | 7.8 | 0.63 |
3rd | 32 | 19 | 13 | 18 | 14 | 9.0 | 0.96 |
4th | 48 | 35 | 13 | 25 | 23 | 9.8 | 0.99 |
5th | 49 | 22 | 27 | 21 | 28 | 10.9 | 0.57 |
6th | 50 | 27 | 23 | 32 | 18 | 12.1 | 0.91 |
7th | 31 | 13 | 18 | 13 | 18 | 13.0 | 0.63 |
8th | 29 | 16 | 13 | 12 | 17 | 14.1 | 0.98 |
9th | 13 | 0 | 13 | 5 | 8 | 14.5 | 0.52 |
Total | 302 | 159 | 143 | 150 | 152 | 10.8 | 2.32 |