Comparison 2. Sensitivity analyses: cognitive training versus control group.

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]