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Question: Theoretically, when measuring an audiogram, threshold search typically follows the “down 10, up 5” rule. This rule states that if the patient hears the tone, the intensity is decreased by 10 dB, and if the patient does not hear the tone, the intensity is increased by 5 dB. Is this closer to a 1-down/1-up procedure or a 2-down/1-up procedure? Why?
The “down 10, up 5” rule is closer to a 2-down/1-up procedure. This is because the intensity of the tone is decreased by a greater amount (10 dB) than it is increased (5 dB). This allows for more accurate measurements as the patient is given more chances to correctly identify the tone.
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