This study used the gating paradigm to examine adult L2 learners’ perception of Mandarin speech sounds at the start and end of a 15-week semester of intermediate Mandarin classroom learning.
Wiener, S., Lee, C.-Y., & Tao, L. (2019). Statistical regularities affect the perception of second language speech: Evidence from adult classroom learners of Mandarin Chinese. *Language Learning, 69*(3), 527-558. doi: 10.1111/lang.12342
A follow-up study used the same gating paradigm, but new stimuli recorded from 16 different talkers.
Wiener, S. & Lee, C.-Y. (2020). Multi-Talker Speech Promotes Greater Knowledge-Based Spoken Mandarin Word Recognition in First and Second Language Listeners. *Frontiers in Psychology - Language Sciences.* 11:214. doi: 10.3389/fpsyg.2020.00214