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Treatment change by group for LDL (1,000 Hz) and Uncomfortably Loud categorical judgments (averaged for 500, 2,000, and 4,000 Hz) between baseline and end of treatment. Shown are the average change values (±1 standard error) for the participants in the as assigned, as treated, and dropped from analysis treatment groups. Abbreviations: CSG, conventional sound generator; LDL, loudness discomfort level; PSG, placebo sound generator.
