Purpose: This meta-analysis study aimed to determine the optimal level of talker variability in training to maximize second-language speech learning. Method: We conducted a systematic search for studies comparing different levels of talker variability in nonnative speech training, published through July 2024. Two independent reviewers screened…

Purpose: Bilingual children's speech often contains high percentages of disfluencies in both their languages; however, the distribution of disfluency types and the difference across bilinguals' two languages have received insufficient and inconsistent empirical support. The present research aims to profile "typical" bilingual disfluency…

Although second language listening has become a rather active area of research in the past ten years, some topics such as listening fluency development and extensive listening (EL) have not received much attention. The purpose of the present study is to examine the levels of listening support that might be needed to facilitate L2 learners'…