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Proximity of the hearing aid fitting to prescriptive target in RMS error (dB) plotted by pure tone average (PTA). The dashed line across each panel represents the 5 dB RMS error criterion used in the current study. Top panels include data for soft speech inputs (50 dB SPL) and bottom panels include data for average speech inputs (65 dB SPL). The left panels are plotted by the left ear PTA and the right panels are plotted by right ear PTA.
