TABLE 1.
The background characteristics of the participants (gender and age) and their performances on the vocabulary and reading tests.
| Second |
Fourth |
Seventh |
Tenth |
Statistical differences | |
| (1) | (2) | (3) | (4) | ||
| Gender (Boys/Girls) | 12/11 | 8/14 | 10/11 | 9/8 | χ2(3) = 1.49, p = 0.684 |
| Age | 7.48 (0.49) | 9.55 (0.41) | 12.64 (0.45) | 15.62 (0.49) | F(3,79) = 1196.36, p = 0.000, ηp2 = 0.98 Scheffe: 1 < 2 < 3 < 4 |
| Vocabulary1 | 10.26 (1.42) | 10.14 (1.88) | 10.29 (1.35) | 10.35 (1.87) | F(3,79) = 0.06, p = 0.980, ηp2 = 0.00 |
| Matrix1 | 10.57 (1.38) | 10.50 (1.54) | 11.24 (1.30) | 11.00 (1.97) | F(3,79) = 1.12, p = 0.346, ηp2 = 0.04 |
| Reading speed2 | 43.17 (10.73) | 52.86 (7.51) | 74.52 (9.95) | 76.59 (8.69) | F(3,79) = 63.77, p = 0.000, ηp2 = 0.71 Scheffe: 1 < 2 < 3 = 4 |
| Reading accuracy2 | 77.91 (9.40) | 87.18 (7.08) | 96.19 (4.62) | 102.06 (4.92) | F(3,79) = 47.06, p = 0.000, ηp2 = 0.64 Scheffe: 1 < 2 < 3 = 4 |
1Normal performance – all the performance ranged between 7 and 13 (M = 10.00, SD = 1.50); 2The reading speed and accuracy are in an appropriate level regarding the participants age.