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Is the Device-Oriented Subjective Outcome (DOSO) Independent of Personality?
Yu-Hsiang Wu1, Kelsey Dumanch1, Elizabeth Stangl1
1University of Iowa, Iowa City, IA.
Journal of the American Academy of Audiology
|November 14, 2017
Summary
Personality traits significantly influence hearing aid outcome measures, including the Device-Oriented Subjective Outcome (DOSO). Even with the DOSO, personality explains 6-11% of hearing aid outcome variance, similar to other questionnaires.
Area of Science:
- Audiology
- Psychology
- Hearing Science
Background:
- Self-report questionnaires are common for evaluating hearing aid outcomes.
- Personality traits can influence self-report measures, potentially affecting the generalizability of results.
- The Device-Oriented Subjective Outcome (DOSO) was developed to minimize personality's impact on hearing aid outcome assessments.
Purpose of the Study:
- To investigate the relationship between personality traits and the DOSO.
- To examine the correlation between personality and other established hearing-related questionnaires.
Main Methods:
- A correlational study design was employed with 119 adult hearing aid users.
- Personality was assessed using the NEO Five-Factor Inventory.
- Hearing aid outcomes were measured using the DOSO, Hearing Handicap Inventory, Abbreviated Profile of Hearing Aid Benefit, and Satisfaction with Amplification in Daily Life questionnaires.
Main Results:
- All DOSO subscales showed significant correlations with personality traits.
- Higher Neuroticism scores were associated with poorer hearing aid outcomes.
- Higher Extraversion, Openness, and Agreeableness scores correlated with better outcomes, explaining 6-11% of the variance in DOSO results.
Conclusions:
- The influence of personality on the DOSO is comparable to that of other hearing-related questionnaires.
- While personality's contribution to variance is modest, it is not negligible.
- Researchers and clinicians should acknowledge that DOSO results are not entirely independent of individual personality.
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