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Hearing

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.

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Related Experiment Video

Updated: Apr 16, 2026

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

Identifying a context-effective school hearing screening test: An emic/etic framework.

Tracey-Lee Cloete¹, Wayne J Wilson, Lucretia Petersen

¹* Department of Health and Rehabilitation Sciences, Division of Communication Sciences and Disorders, University of Cape Town , South Africa.

International Journal of Audiology

|March 14, 2015

Summary

This summary is machine-generated.

Distortion product otoacoustic emissions (DPOAEs) show promise for primary school hearing screening in the Western Cape. However, current sensitivity requires improvement for effective implementation in schools.

Keywords:

School hearing screening context-effective contextual relevance emic/etic framework otoacoustic emissions

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Last Updated: Apr 16, 2026

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

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Published on: December 20, 2024

Area of Science:

Audiology
Public Health
Pediatrics

Background:

Effective hearing screening is crucial for early identification of hearing loss in primary school children.
Context-specific test selection is vital for successful implementation in diverse educational settings.

Purpose of the Study:

To identify a context-effective hearing screening test for primary schools in the Western Cape, South Africa.
To utilize an emic-etic framework for selecting an appropriate hearing screening tool.

Main Methods:

A sequential mixed methods design was employed.
Key test properties were identified through stakeholder input.
Distortion product otoacoustic emissions (DPOAEs) were selected and assessed for feasibility and sensitivity.

Main Results:

Distortion product otoacoustic emissions (DPOAEs) emerged as the most promising test for hearing screening in this context.
School nurses successfully administered OAE testing.
The sensitivity of DPOAE testing for detecting hearing loss in grade-one children was 57.14%.

Conclusions:

Current sensitivity of DPOAE testing is insufficient for widespread use as a context-effective screening tool in Western Cape primary schools.
Collaborative program planning, guided by an emic-etic framework, is essential for ensuring the contextual appropriateness of screening interventions.