The independent contribution of voice onset time to perceptual metrics of convergence

This work explores the relationship between phonetic and perceptual metrics for convergence in shadowed productions by adults and 6-year-old children by isolating the role of voice onset time (VOT) in listeners' similarity judgments. Results show a small but independent role for VOT: listeners were less likely to identify shadowed tokens as more similar to the model when natural VOT convergence present in the stimulus set had been artificially removed (experiments 1 and 2). However, VOT equivalence alone, when accompanied by naturally occurring variation along other dimensions, was not sufficient to drive listeners' judgments of similarity (experiment 3). (C) 2021 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).