Intelligibility is a critically important aspect for effective oral communication. This study explored salient (important) pronunciation errors and their relative roles in the intelligibility of nonnative speech based on listener judgments. Speech samples, collected from speakers with a Turkish as a native language (L1) background, were presented…

Many studies evidence the flexibility of speech perception in the first language (L1), which allows rapid adaptation to unfamiliar foreign accents. Two influential studies by Bradlow and Bent (2008) and a follow-up study by Baese-Berk et al. (2013) found that increased variability as a function of the number of talkers and accents facilitated the…

The expansion of the English language produced by non-native speakers has, in recent decades, been discussed by applied linguists from various theoretical perspectives. The discussion has highlighted evidence showing that the multiplicity and diversity of English uses have given rise to an acceleration in the rate of inter-variety contacts where…

Millions engage in learning a Second Language (L2) using their mobile devices with a wide range of success. Concomitantly, there exists a growing interest in research on the effects of mobile-assisted language learning and predictors of learner outcomes (e.g., Loewen et al., 2020; Sudina & Plonsky, 2023). However, few of these apps and studies…

The present study investigated Korean-accented English (KoE) intelligibility and conducted experiments in Korea, Japan, and the USA to test the benefits of listener's familiarity and identify the key phonological features of KoE. In the experiments, the participants were asked to transcribe the target (KoE) of 100 English statements each…

In commercial materials for the teaching of second language (L2) pronunciation, common bottom-up approaches segment phonology into a series of discrete and decontextualized linguistic components with rules that students are encouraged to internalize. Such approaches seem out of step with recent second language acquisition (SLA) theory and research…

Over the past few decades, there has been considerable effort to find the mechanisms through which adult listeners can accommodate the rampant phonetic variation in natural speech. My dissertation concerns one source of variability: phonetic variation in speech produced by individuals with foreign accents. Mounting evidence shows that listeners…

English has assumed a new role in international communication in recent decades, that is, as a Lingua Franca (ELF) among speakers with different first languages. This study attempts to investigate and analyze Chinese university students' perception and production of paired English fricatives from the perspective of ELF. By using a listening…

A central issue in language testing is the choice of norms, and the need to reconcile notions of "standard" English with local language norms and features. Data from studies of international intelligibility indicate that some features of "standard" language descriptions, based on native-speaker language use, are not essential…