Table 5.
Specific language impairment (SLI) versus typically developing age-matched (TDA) irregular past tense outcomes.
| Study name | Language | Hedges's g | 95% confidence interval |
||
|---|---|---|---|---|---|
| Upper limit | Lower limit | ||||
| 1 | Marchman et al. (1999) | English | −1.239 | −1.777 | −0.701 |
| 2 | Redmond (2003) | English | −1.577 | −2.493 | −0.661 |
| 3 | Rice et al. (2000) | English | −2.460 | −3.235 | −1.684 |
| 4 | Rice et al. (2004) | English | −0.412 | −0.664 | −0.161 |
| English combined | −0.758 | −0.971 | −0.546 | ||
| 5 | Vang Christensen & Hansson (2012) | Danish | −1.746 | −2.702 | −0.791 |
| Non-English Germanic combined | −1.746 | −2.702 | −0.791 | ||
| Overall combined | −0.805 | −1.013 | −0.597 | ||