Fig. 9

(a) Forest Plot for Interventions Adjusted the Frequency Allocation, Speech in Noise. Black error bars mark the 95% confidence interval. Blue dots mark the individual Cohen’s d. The pink diamond marks the combined Cohen’s d. (b) Forest Plot for Interventions Adjusted the Frequency Allocation, Speech in Quiet. Black error bars mark the 95% confidence interval. Blue dots mark the individual Cohen’s d. The pink diamond marks the combined Cohen’s d.