Exam Preview for 39357: Demonstrating the Real-Life Reliability of

Demonstrating the Real-Life Reliability of Rexton Rugged

Please note: exam questions are subject to change.

1. How can the reliability of hearing aids be defined? The hearing aids’ ability to reproduce a pure tone. The hearing aids’ ability to handle loud sounds. The hearing aids’ ability to function as required over a given period. The hearing aids’ ability to provide enough amplification.
2. How was reliability ranked in a survey of the most desired hearing aid attributes published by Manchaiah et al. (2021)? 1st 2nd 3rd 4th
3. At what water depth were the Rexton Rugged hearing aids tested? 0.5 meters 1 meter 2 meters 10 meters
4. How many different special tasks were each respondent in the Rexton Rugged survey asked to perform? 2 3 4 5
5. What percent of the respondents in the survey would recommend Rexton Rugged to others at the end of the trial period? 61% 71% 81% 91%