A SIMPLE METHOD OF MEASURING PERCENTAGE OF CAPACITY FOR HEARING SPEECH: FUNDAMENTAL FACTORS IN SETTING UP A STANDARD

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Abstract
Up to the present there has been no accepted standard for determining the percentage of loss of hearing. The Consultants on Audiometer and Hearing Aids of the Council on Physical Therapy of the American Medical Association have been criticized for not quickly producing a standard method of figuring percentage of hearing loss for use in industry. Some of the difficulties are apparent, and others are not generally recognized. Every one with a hearing handicap wants to know its degree. "How much have I lost?" or "How much have I gained?" is the question. If the physician tells a patient his hearing is so many decibels down on average, or at certain frequencies, he is accused of speaking gibberish. It might as well be Sanskrit for all the information it imparts. What every one wants to know is the "percentage of hearing" lost. The patient can understand percentages, and thinks he

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