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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. Range of adult ear size accommodated

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Hearing Aid Heuristics Analysis

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  1. Hearing Aid Heuristics Analysis

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

  3. 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

  4. Specification #9 • ANSUR Database provided 5th percentile Female and 95th percentile Male ear dimensions • All units in mm

  5. Statistical Analysis Results Designing for small ears: 17 mm for Ear Protrusion 54 mm Ear length Designing for Medium to Large ears: 30 mm for Ear Protrusion 72 mm Ear length

  6. Specifications 14-17 Two Surveys: Small Group Imagine-RIT

  7. 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

  8. 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

  9. 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.

  10. 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

  11. Main Menu • Home • Our People • History • Process • Benefits • Consumer Page • Customer Survey • Testimonials • News • Presentations • Pricing • Purchase • Contact Us Visit us on Facebook Ear Trak 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

  12. Statistics For Analyzing Data Ordinal datawill be tested for independence and association using the following methods: • At an α= 0.05 • Frequency Distribution/Cross Tabulation • Kendall tau B or C • Chi-square test for Association

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