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Fitting Formulas: History, Principles and Clinical Applications

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1.  Which of the following is NOT a goal of hearing aid fitting formulas?
  1. Maximizing speech intelligibility
  2. Maximizing use of residual dynamic range
  3. Minimizing hearing aid rejection
  4. Minimizing patient satisfaction
2.  When was the first fitting formula introduced?
  1. 1920
  2. 1940
  3. 1960
  4. 1980
3.  Which audiometric variables have been used by fitting rationales to calculate target responses?
  1. Pure-tone thresholds
  2. MCL values
  3. UCL values
  4. All of the above
4.  What is the concept behind the Loudness Normalization?
  1. Ensure normal loudness perception for soft signals
  2. Restore normal loudness perception for soft, average and loud signals
  3. Restore normal loudness for children’s voices at a distance of 30 feet
  4. Ensure normal loudness for adult voices at a distance of 30 feet
5.  What is the concept behind Loudness Equalization?
  1. Ensure all inputs are equally loud
  2. Ensure all environmental sounds are equally loud
  3. Restore equal loudness for male and female voices
  4. Restore equal loudness across frequency bands
6.  Which of the following is an example of a LINEAR fitting formula?
  1. NAL-NL2
  2. Berger
  3. FIG6
  4. IHAFF
7.  Which of the following is an example of a NON-LINEAR fitting formula?
  1. Libby 1/3
  2. POGO
  3. NAL-NL2
  4. Berger
8.  What is one advantage of generic fitting formulas?
  1. Frequently updated
  2. Incorporate advances in hearing aid fitting research
  3. Able to account for proprietary signal processing
  4. Validated using a large subject pool
9.  Which of the following fitting formulas is commonly used with children?
  1. FIG6
  2. DSL v5
  3. NAL-R
  4. POGO
10.  What do hearing aid fitting formulas provide?
  1. A foundation for the hearing aid fitting
  2. A guarantee for ensuring patient satisfaction with amplification
  3. An opportunity for the patient to participate in the hearing aid fitting
  4. A way to successfully fit frequency lowering

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