Development of a hearing aid self-efficacy questionnaire.
Discontinued hearing-aid use is caused by a number of factors, most of which may lead to low hearing-aid self-efficacy (i.e. low confidence in one's ability to B a successful hearing-aid user). This paper describes the development of the Measure of Audiologic Rehabilitation Self-Efficacy for Hearing Aids (MARS-HA), which was constructed in accordance with published recommendations for self-efficacy questionnaire development. The psychometric properties of the MARS-HA were evaluated with new and experienced hearing-aid users. The results revealed strong internal consistency and good test-retest reliability in both groups, with the following subscales identified both for the new users and the experienced users: (1) basic handling, (2) advanced handling, (3) adjustment to hearing aids, and (4) aided listening skills. Validity was established through the examination of expected differences based on group comparisons, training effects, and the impact of particular hearing aid features. The MARS-HA is a reliable and valid measure of hearing-aid self-efficacy and can be used to assist clinicians in identifying areas of low confidence that require additional audiologic training.
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