Table 5.
Step | R2 | Beta | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Age | Nonverbal IQ | Letter analysis | Letter-sound knowledge | Orthogr-aphic knowledge | Semantic knowledge | Phonological knowledge | Phonological buffer | |||
REGULAR ITEMS | ||||||||||
Untimed reading | 1 | 0.22 | 0.34* | 0.23 | 0.17 | 0.43* | 0.18 | −0.19 | 0.14 | 0.34* |
2 | 0.66 | 0.20 | 0.04 | |||||||
Time-limited reading | 1 | 0.19 | 0.35* | 2.57 | 0.11 | 0.34* | 0.32* | −0.25 | 0.06 | 0.28* |
2 | 0.54 | 0.24 | 0.04 | |||||||
Spelling | 1 | 0.22 | 0.15 | 0.40* | 0.05 | 0.27* | 0.54* | −0.13 | −0.10 | 0.17 |
2 | 0.57 | −0.07 | 0.29* | |||||||
Orthographic choice | 1 | 0.15 | 0.05 | 0.37* | 0.01 | 0.15 | 0.52* | −0.06 | −0.07 | 0.15 |
2 | 0.43 | −0.16 | 0.28* | |||||||
IRREGULAR ITEMS | ||||||||||
Untimed reading | 1 | 0.13 | 0.30* | 0.12 | 0.21 | 0.29* | 0.40* | −0.23 | 0.10 | 0.14 |
2 | 0.46 | 0.15 | 0.00 | |||||||
Time-limited reading | 1 | 0.17 | 0.33* | 0.16 | 0.11 | 0.18 | 0.37* | −0.12 | 0.20 | 0.21 |
2 | 0.51 | 0.15 | 0.02 | |||||||
Spelling | 1 | 0.28 | 0.19 | 0.44* | 0.10 | 0.20 | 0.50* | −0.04 | 0.00 | 0.07 |
2 | 0.57 | −0.06 | 0.31* | |||||||
Orthographic choice | 1 | 0.31 | 0.25 | 0.42* | 0.09 | 0.08 | 0.56* | 0.05 | 0.01 | −0.05 |
2 | 0.59 | −0.04 | 0.32* |
p < 0.05.