Table 5. Standard multiple regression analyses with the reading comprehension of a story as dependent variable and variables of interest in P1 as predictors (for decoding skills: accuracy scores for word and pseudoword reading).
| R2 | Predictor variables | β | Proportion of variance accounted by | p |
| P1–P2: 25% | Listening Comprehension P1 | .21 | 3.52% | <.01 |
| Decoding skills P1 | .20 | 4.20% | <.01 | |
| Vocabulary P1 | .15 | 2.04% | <.01 | |
| Nonverbal IQ P1 | .14 | 2.13% | <.01 |