Development and Validation of a Virtual Moving Auditory Localization (vMAL) Test among Healthy Children

Authors

  • Muhammad Nur Hilmi Che Hassan Audiology Programme, School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
  • Mohd Normani Zakaria Audiology Programme, School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
  • Wan Najibah Wan Mohamad Audiology Programme, School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia

DOI:

https://doi.org/10.6000/1929-6029.2022.11.20

Keywords:

Binaural hearing, Auditory localization, Moving, Virtual auditory space, Validity, Reliability

Abstract

Introduction: The ability to localize sound sources is crucial for humans. Due to specific hearing disorders, the affected individuals may have problems to accurately locate the sound sources, leading to other unwanted consequences. Nevertheless, a simple auditory localization test (that employs moving auditory stimuli) is currently lacking in clinical settings. Essentially, the objectives of the present study were to develop a virtual moving auditory localization (vMAL) test that is suitable for assessing children and assess the validity and the reliability of this test.

Materials and Methods: This study consisted of two consecutive phases. In phase 1, the required stimulus and the test set up for the vMAL test were established. Two loudspeakers were employed to produce five virtual positions, and eight different moving conditions were constructed. In phase 2, 24 normal-hearing Malaysian children (aged 7-12 years) underwent the vMAL test. The validity and the reliability of this test were then assessed using several validation measures. Fleiss Kappa and Spearman correlation analyses were used to analyse the obtained data.

Results: The vMAL test was found to have good convergent validity (kappa = 0.64) and good divergent validity (kappa = -0.06). Based on the item-total correlation and Spearman coefficient rho results, this test was found to have good internal reliability (rho = 0.36-0.75) and excellent external (test-retest) reliability (rho = 0.99).

Conclusions: in this study a new vMAL test was developed and proven to be valid and reliable accordingly for its intended applications. This test can be useful in clinical settings since it is simple to administer, cost-effective, does not take up much room, and can assess auditory localization performance in children. The outcomes of the present study may serve as preliminary normative data as well as guidelines for future auditory localization research.

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Published

2022-12-30

How to Cite

Hilmi Che Hassan, M. N. ., Zakaria, M. N. ., & Wan Mohamad, W. N. . (2022). Development and Validation of a Virtual Moving Auditory Localization (vMAL) Test among Healthy Children. International Journal of Statistics in Medical Research, 11, 162–168. https://doi.org/10.6000/1929-6029.2022.11.20

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