Conflicts of Interest The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article. References 2020. “A Study on Korean Female University Students' Language Attitude Toward Foreign Accent.” Language and Culture 16, no. 3: 115–150. http://doi.org/10.18842/klaces.2020.16.3.005. 2021. “Perceptual Validation of Vowel Normalization Methods for Variationist Research.” Language Variation and Change 33, no. 1: 27–53.
