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. 2023 Jun 8;56(3):1433–1448. doi: 10.3758/s13428-023-02101-9

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© The Author(s) 2023

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — Validation of web-based testing for classic interaural difference detection tasks. Psychometric functions were measured for interaural time-delay (ITD) detection (A), and interaural level-difference (ILD) detection (B). ITD thresholds were around $28 μ$ s for 500-Hz tone bursts, and ILD thresholds were around 0.8 dB for 4-kHz tone bursts, consistent with classic literature. Horizontal error bars indicate the 95% confidence interval of the mean threshold estimated from $N = 200$ subjects