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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Attention post‐treatment | 4 | 95 | Std. Mean Difference (IV, Random, 95% CI) | 0.41 [‐0.01, 0.83] |
| 2 Verbal memory post‐treatment | 4 | 95 | Std. Mean Difference (IV, Random, 95% CI) | 0.25 [‐0.16, 0.66] |
