Decoding | Pre-intervention Post-intervention | ||||||
N | Mean | SD | Mean | SD | z-score | p value | |
20 | 31.45 | 6.52 | 45.45 | 9.13 | −3.924 | 0.000* | |
Spelling | 20 | 24.20 | 4.92 | 31.50 | 4.81 | −3.942 | 0.000* |