This study explored how the first language (L1) influences discourse marker use in second language (L2) speech. Some studies (e.g., Liu, 2013; Sankoff et al., 1997) have addressed the issue of L1 transfer of discourse markers in L2 speech, suggesting that non-native speakers' L1 use may influence the frequency and usage of English discourse…

Language learners are underserved if there are unlearned meanings of a word that they think they have already learned. For example, "circle" as a noun is well known, whereas its use as a verb is not. For artificial-intelligence-based support systems for learning vocabulary, assessing each learner's knowledge of such atypical but common…

The needs for precisely estimating a student's academic performance have been emphasized with an increasing amount of attention paid to Intelligent Tutoring System (ITS). However, since labels for academic performance, such as test scores, are collected from outside of ITS, obtaining the labels is costly, leading to label-scarcity problem which…

A writer's L1 is generally believed to influence their L2 English writing significantly. However, the extent to which L1 backgrounds influence Asian learners' L2 English writing has not been wholly elucidated due to the lack of data covering various learners in Asia. Therefore, this study analysed more than one-million-word essays written by 2,318…

This study investigates whether a natural order exists for non-native acquisition in the production of English syllable coda obstruents by Korean and Chinese adult native speakers. We recorded L2 English monosyllabic words produced by 66 Chinese and 51 Korean native speakers. The recorded speech was then evaluated by 11 native-speaker listeners of…

This study investigates the effects on developing L2 listening fluency through doing extended listening-focused activities after reading and listening to audio graded readers. Seventy-six EFL university students read and listened to a total of 15 graded readers in a 15-week extensive listening programme. They were divided into three groups (Group…