GSI 18
Providing patient instructions
Put the subject as much at ease as possible before the test begins. In addition, help the subject
understand how the test is to be conducted and what the subject will hear. Uniform and
unvarying instructions should be given to each subject in order to achieve consistent and
reliable test results. The following is an example of standard instructions:
“I am going to place these earphones over your ears. You will hear tones or
beeping sounds which may be loud or soft. Whenever you hear, or think you hear
one of these tones, raise your hand. Lower your hand when you no longer hear the
sound. Remember, raise your hand when you hear the tone and lower your hand
when you do not.”
Modify the instructions accordingly if the optional response handswitch is to be used.
Placing the earphones
Proper placement of the earphones on the ears is essential to achieve reliable test results.
a. Eliminate all obstruction between earphone and subject (hair, eyeglasses, earrings,
hearing aids, etc.).
b. Adjust the headband so the earphone cushions are centered over the ears and head.
The earphone cushions will put firm pressure on both ears.
2-4 1718-0100 Rev. E
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