Comprehensibility has emerged as a useful and intuitive means of globally evaluating second language (L2) speakers in many research and instructional contexts. In most cases, L2 speakers' comprehensibility is assessed by external listeners who do not engage in extensive communication with the speakers, even though the degree to which a speaker is…

This study examines the putative benefits of explicit phonetic instruction, high variability phonetic training, and their effects on adult nonnative speakers' Mandarin tone productions. Monolingual first language (L1) English speakers (n = 80), intermediate second language (L2) Mandarin learners (n = 40), and L1 Mandarin speakers (n = 40) took…

The present article addresses the issue of second language accuracy developmental trajectories and shows how they can be captured via an error-tagged version of an English as a Foreign Language (EFL) learner corpus. The data used in this study were extracted from the International Corpus of Learner English (Granger et al., 2009) and consist of a…

This cross-sectional study used assessments developed by the Center for Applied Linguistics to examine the oral proficiency of 218 K-8 English-proficient students in 4 Spanish immersion programs. Following a comprehensive review of assessment results for English-proficient immersion learners, the article reports findings from statistical analyses.…