Hearing aid heuristics analysis
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Hearing Aid Heuristics Analysis. Objective: To conduct usability and human factors testing on hearing aid device to assess if the required specifications are met . Specifications :. Specifications 9, 10. Range of adult ear size accommodated

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Hearing Aid Heuristics Analysis

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Hearing aid heuristics analysis

Hearing Aid Heuristics Analysis


Hearing aid heuristics analysis

  • Objective: To conduct usability and human factors testing on hearing aid device to assess if the required specifications are met.

  • Specifications :


Specifications 9 10

Specifications 9, 10

  • Range of adult ear size accommodated

    • Final design will be measured to ensure dimensions fall with in the 5%-95% percentile

  • Weight of earpiece

    • Final prototype will be weighed to ensure it’s weight is below 15 grams


Specifications 14 17

Specifications 14-17

Two Surveys:

Small Group

Imagine-RIT


Small group survey

Small Group Survey

  • Small heuristics study of 5-6 students between the ages of 18-25

  • Evaluators can be either Hearing or Hard of Hearing students

  • Incentive for participating in survey will be granted to evaluators (Javas Tokens)

  • Data collected will be confidential


Procedure

Procedure

  • Conduct one on one interview with each participant for a maximum of 20 minutes

  • Each participate will be ask to wear a non-functional prototype and perform a set of tasks such as walking with device, adjusting volume etc.

  • A Likertsystem will be used to rank satisfaction of each question


Imaginerit survey

ImagineRIT Survey

  • ImagineRIT visitors who are at least 18 or older will be allowed to participate in this survey

  • Each participate will be ask to wear a non-functional prototype and perform a set of tasks such as adjusting volume/profiles etc.

  • A Likert system will be used to rank their response for each question.


Survey questions

Survey Questions

  • Each question will reference a function on the device to evaluate basic usability standards:

    • Flexibility and efficiency of use

    • Aesthetic and minimalist design

    • User Control and freedom

    • Recognition rather than recall


Sample questions

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Sample Questions

Please mark how satisfied you are with the hearing aid device for each situation:

  • Overall comfort/fit

    • Very satisfied, Satisfied, Neutral, Dissatisfied, Very Dissatisfied

  • Ease of adjusting volume

    • Very satisfied, Satisfied, Neutral, Dissatisfied, Very Dissatisfied

  • Visibility of hearing aid

    • Very satisfied, Satisfied, Neutral, Dissatisfied, Very Dissatisfied


Statistics for analyzing data

Statistics For Analyzing Data

Ordinal data:

  • α= 0.05

  • Frequency Distribution/Cross Tabulation

  • Kendall tau B or C

  • Chi-square test


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