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Comparison of Psychometric Functions Measured Using Remote Testing and Laboratory Testing.

Nirmal Srinivasan¹, Chhayakanta Patro¹, Radhika Kansangra¹

¹Department of Speech-Language Pathology and Audiology, Towson University, Towson, MD 21252, USA.

Audiology Research

|May 28, 2024

Summary

Remote testing effectively measures auditory thresholds in young, normal-hearing listeners, matching laboratory results across various maskers. This method ensures reliable behavioral data collection for speech perception studies.

Keywords:

laboratory testing psychometric functions remote testing speech intelligibility

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Area of Science:

Audiology
Speech-Language Pathology
Psychophysics

Background:

Remote testing for behavioral data collection has increased, particularly post-COVID-19.
Validating remote methods against traditional lab settings is crucial for reliable auditory research.
Speech perception testing often requires controlled environments, making remote validation important.

Purpose of the Study:

To compare psychometric functions for a speech corpus under remote and laboratory testing conditions.
To assess the validity of remote auditory threshold measurements in young, normal-hearing listeners.
To evaluate the impact of different maskers on remote versus laboratory testing outcomes.

Main Methods:

Psychometric functions were measured for young, normal-hearing listeners using a standard speech corpus.
Testing was conducted under both remote and laboratory conditions with three masker types.
Headphone use in the remote group was verified using a Huggins pitch task.

Main Results:

No significant differences in auditory thresholds were found between remote and laboratory testing across all masker types.
Measured thresholds in both conditions were strongly correlated in a separate listener group.
Remote testing demonstrated excellent outcomes for auditory threshold measurements.

Conclusions:

Remote testing is a valid and reliable method for measuring auditory thresholds in young, normal-hearing listeners.
The findings support the use of remote testing for speech perception research, even with various masking conditions.
This approach offers an effective alternative for collecting behavioral auditory data.