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Reliability and validity of late vertex-evoked response audiometry
Audiology : Official Organ of the International Society of Audiology
|September 1, 1976
Summary
Visual scoring of auditory evoked response audiometry (ERA) is reliable in waking adults but inconsistent in sleeping children. This suggests different clinical approaches are needed for these distinct populations.
Area of Science:
- Audiology
- Neuroscience
- Pediatrics
Background:
- Auditory evoked response audiometry (ERA) is an objective hearing test.
- Visual scoring is a common method for interpreting ERA results.
- Reliability and validity of visual scoring require evaluation across different age groups and states.
Purpose of the Study:
- To evaluate the visual scoring technique for late ERA.
- To assess detectability, judgment errors, scorer consistency, and test-retest reliability.
- To compare ERA performance in waking adults versus sleeping children.
Main Methods:
- Adults and young children were tested in both waking and sleeping states.
- Visual scoring of the late vertex-evoked response was performed.
- Key metrics included response detectability, judgment accuracy, inter-scorer reliability, and test-retest reliability.
Main Results:
- ERA visual scoring demonstrated high reliability and validity in waking adults.
- A significant inconsistency in response appearance was observed in sleeping children.
- Inter-scorer agreement and test-retest reliability were notably lower in sleeping children.
Conclusions:
- ERA visual scoring is a reliable method for objective hearing assessment in waking adults.
- The inconsistency in sleeping children indicates ERA in this group is less reliable.
- Clinical application of ERA requires distinct considerations for waking adults and sleeping children due to differing reliability.