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Why XCEL-Fit? A Comparative Review of Fitting Formulas

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1.  XCEL-Fit is based on what fitting algorithm?
  1. DSL i/o
  2. NAL-NL1
  3. NAL-NL2
  4. IHAFF
  5. None of the above
2.  Effective audibility is:
  1. The amount of gain required for audibility
  2. The amount of audibility which contributes to maximum speech intelligibility
  3. A predictive value based on average hearing-loss values
  4. B & C
  5. All of the above
3.  In XCEL-View, the white area on the response display represents:
  1. The hearing-threshold level
  2. The residual dynamic range of the wearer
  3. Nothing of any significance
  4. The Effective Audibility range
  5. The loudness-discomfort level limit
4.  According to Dr. Dillon, the objective of utilizing a fitting formula is to provide:
  1. The best possible first start to hearing-aid adjustment
  2. Gain targets that eliminate the need for verification measures
  3. Elimination of the need for follow-up adjustments
  4. A & B
  5. None of the above
5.  Psychoacoustic models for sound quality were first applied in which fitting formula:
  1. XCEL-Fit
  2. NAL-NL1
  3. NAL-R
  4. None of the above
  5. All of the above
6.  The primary difference between NAL-NL1 and NAL-NL2 is:
  1. Less gain in the high frequencies with NAL-NL2
  2. More mid-frequency gain with NAL-NL2
  3. The need to choose a language type with NAL-NL1
  4. A & B
  5. None of the above
7.  What was the primary motivation behind developing NAL-NL2?
  1. NAL-NL1 was perceived as too loud by adults
  2. NAL-NL1 was perceived as too soft by children
  3. NAL-NL1 was perceived as too loud by children
  4. A & C
  5. A & B
8.  When using the XCEL-Fit strategy, loudness-discomfort levels are:
  1. Configured within the Effective Audibility curve
  2. Taken into account in the XCEL-Fit algorithm
  3. Set according to average LDL data, if not measured
  4. B & C
  5. All of the above
9.  What patient-specific settings are available when using the XCEL-Fit fitting strategy?
  1. New vs. Experienced wearer
  2. Gender
  3. Language of the wearer
  4. A & B
  5. All of the above
10.  What components are essential to a comprehensive hearing-instrument fitting?
  1. Verification measures
  2. Prescriptive fitting algorithm
  3. Wireless programming interface
  4. A & B
  5. A, B, & C