This paper reports on the comparison of the performance of fourteen normal hearing listeners and fourteen individuals with sensorineural hearing loss on the Synthetic Sentence Identification (SSI) and the Northwestern Auditory Test No. 6 (NU 6) in order to determine whether there are differences in performance of the two groups of listeners on the SSI and NU 6 and whether either test better reflects aided improvement and residual deficit. Both measures demonstrated significant aided

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... t aided improvement. The results of this study do not suggest a single best discrimination test which can reflect a real-life listening situation. The primary consideration in the hearing aid evaluation is flexibility in determining the appropriate level for the primary signal and the listening conditions.