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Quartiles of the distribution of weighted effect sizes (ES; sound production treatment ES benchmarks).
| Quartile | Treated items |
Untreated items |
||
|---|---|---|---|---|
| Treatment phase ES | Follow-up phase ES | Treatment phase ES | Follow-up phase ES | |
| 1 | 5.23 | 5.90 | 2.25 | 2.59 |
| 2 | 6.98 | 7.12 | 3.75 | 4.23 |
| 3 | 9.65 | 10.19 | 6.66 | 6.47 |
