Table 2.
Mean scores of subtests for each age group and age effects.
| Age group | Mean (%) | Standard deviation | Age effect | |
|---|---|---|---|---|
| Passive constructions | 5–6-year olds | 90.18 | 19.65 | r = 0.07 |
| 7–8-year olds | 91.67 | 12.08 | ||
| Subject-relative clauses | 5–6-year olds | 89.29 | 27.58 | r = 0.26 |
| 7–8-year olds | 97.62 | 7.52 | ||
| Sentences with three arguments | 5–6-year olds | 83.06 | 19.31 | r = 0.33* |
| 7–8-year olds | 94.05 | 13.47 | ||
| Object-topicalized sentences | 5–6-year olds | 68.75 | 30.14 | r = 0.16 |
| 7–8-year olds | 78.57 | 27.71 | ||
| Object-relative clauses | 5–6-year olds | 46.43 | 30.97 | r = 0.15 |
| 7–8-year olds | 50.00 | 25.00 | ||
*
p < 0.05.