MarkeTrak is our tracking survey of the hearing-impaired population and hearing aid market. It is usually conducted every 3-4 years to 80,000 households utilizing the National Family Opinion Panel. Listed below are the various surveys presented in chronological order.
04/01/2010 MarkeTrak VIII: The Impact of the Hearing Healthcare Professional on Hearing Aid User Success
09/24/2009 25 year trends in the hearing health market.