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Vanderbilt Audiology's Journal Club: Hearing Aid Features and Benefits - Research Evidence

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1.  The recent work of Keidser and Alamudi suggests that approximately _______ of 19 participants were able to reliably train hearing aid gain across two repeated training periods.
  1. 2
  2. 12
  3. 15
  4. 19
2.  Keidser and Alamudi also showed ___________ of participants exhibited a preference for their trained response after their initial training period.
  1. about half (8 of 18)
  2. all (18 of 18)
  3. none
  4. 90%
3.  Keidser and Alamudi showed the greatest amount of average high frequency gain training for:
  1. quiet
  2. speech in quiet
  3. noise
  4. music
4.  According to the recent study by Wu et al., a patient’s own voice when in a conversation can:
  1. Greatly increase directional benefit
  2. Has no effect on directional benefit
  3. Can decrease directional benefit because of interactions with automatic switching
  4. Can increase directional benefit because of interactions with automatic switching
5.  One of the primary findings of the Magnusson et al. investigation of directional benefit was:
  1. For the test instrument, directional benefit for a closed fitting was about twice as large as for an open fitting
  2. For the test instrument, directional benefit for a closed fitting was about half as large as for an open fitting
  3. Open and closed coupling configurations led to the same directional benefit
  4. There was no significant directional benefit when using open coupling
6.  Magnusson et al. showed:
  1. Most people rejected the open fitting due to poorer directional benefit
  2. Most people kept the open fitting despite poorer directional benefit
  3. Most people rejected the open fitting despite greater directional benefit
  4. Most people kept the open fitting due to greater directional benefit
7.  A study by Abrams et al., demonstrated:
  1. Similar outcomes for manufacturer’s first fit and a verified fitting of a validated prescriptive method
  2. Better outcomes for manufacturer’s first fit than a verified fitting of a validated prescriptive method
  3. Poorer outcomes for manufacturer’s first fit than a verified fitting of a validated prescriptive method
  4. Probe microphone verification is a waste of time.
8.  Results from the Abrams et. al study support:
  1. Use of manufacturer first fit for the initial hearing aid fitting setting
  2. Use of validated prescriptive fitting methods (i.e. NAL-NL2)
  3. Letting patients try a quick fit setting for two weeks before returning for probe mic measures.
  4. None of the above
9.  A study by Caporali et al., demonstrated:
  1. Non-custom eartips cannot be safely used with infants
  2. RITE instruments have poor retention and therefore are inappropriate for infants
  3. Both non-custom and custom eartips can be safely used in conjunction with one brand of RITE hearing aid for infants
  4. RIC and RITA are effective for most degrees of hearing loss
10.  The hearing in the infant population in the study by Caporali et al. was categorized as:
  1. normal hearing
  2. slight hearing loss
  3. mild to moderately-severe hearing loss
  4. severe to profound hearing loss