There's now a scientifically validated hearing test that you can take over the telephone in the privacy of your home, National Public Radio reports. It only costs $5, and for a limited time it's free to members of the AARP.
This test is different from the hearing tests you may have taken as a child, which consisted of a series of beeps or hums at various frequencies and volumes.
The new phone test is based on your ability to pick out speech from a lot of background noise.
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Find the test here.