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In Brief Based on more than 3000 responses from hearing aid wearers to the eighth MarkeTrak survey, Better Hearing Institute Executive Director Dr. Sergei Kochkin determined that 74% of hearing instrument users in 2008 were satisfied with their fittings. That was significantly higher than the 68% satisfaction rate found by MarkeTrak VII in 2004 and the best ever recorded.
Sergei Kochkin (Fri,) studied this question.
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