| Pre-test | Mid-test | Post-test | ||||||
M | SD | N | M | SD | N | M | SD | N | |
Four-year-old children | 46.7 | 7.55 | 88 | 54.2 | 10.2 | 88 | 60.2 | 12.4 | 88 |
Five-year-old children | 52.2 | 12.4 | 99 | 57.6 | 11.0 | 99 | 67.9 | 16.1 | 99 |
Total | 49.6 | 10.7 | 187 | 56.0 | 10.7 | 187 | 64.3 | 15.0 | 187 |