This study is an investigation of the effects of linguistic features on quality of second language (L2) writers' essays for writing course placement at Indiana University Bloomington (IUB), and by implication at other universities and colleges. This study addresses the following research questions: (1) To what extent do selected linguistic…

Word frequency has a long history of being considered the most important predictor of word difficulty and has served as a guideline for several aspects of second language vocabulary teaching, learning, and assessment. However, recent empirical research has challenged the supremacy of frequency as a predictor of word difficulty. Accordingly,…

This article examines the relationship between Japanese undergraduate students' English language proficiency and English language-related challenges faced when studying an international business course through English. It also examines English language proficiency thresholds students need to reach in each academic skill (i.e. reading, listening,…

This article explores the relationship between course performance, English language proficiency, motivation, and academic language skills in an English medium instruction (EMI) university context. It analyses test and questionnaire data from 146 students from an EMI business program at a Japanese university, and follow-up interviews with seven…

The article presents an empirical study that investigates the single- and cross-modality relationships between different dimensions of receptive vocabulary knowledge and language skills, as well as the importance of academic vocabulary knowledge in academic listening and reading comprehension. An Updated Vocabulary Levels Test (UVLT), a Vietnamese…

This paper is designed to explore the current status of Chinese EFL teachers' use of digital resources in doing research and its influential factors. It classifies digital resources into six types aligned to the research process and uses the revised TAM to find out and explain its influential factors. A total of 180 teachers were investigated via…

Academic language skills support mid-adolescents' comprehension of the language of school texts. To date, scarce research has explored associations between dual academic language skills and reading comprehension among mid-adolescent dual language immersion (DLI) students. This study examined individual differences in Spanish and English academic…

Lexical richness makes an important contribution to L2 writing quality. To explore its importance, the study aims to identify and explain how lexical richness manifests in argumentative essays written in the final exam of reading and writing class by thirty-five undergraduates. The lexical richness consists of four interrelated elements: lexical…

Home language (HL) effects on academic language literacy have been extensively discussed. However, previous research has mostly focused on Indo--European languages. This study extends the literature by using data (n = 17,600) collected in a diversified language area: Guangxi, China. We examined the effects of four HLs and four socioeconomic…

The 12th iteration of the International Conference on Educational Data Mining (EDM 2019) is organized under the auspices of the International Educational Data Mining Society in Montreal, Canada. The theme of this year's conference is EDM in Open-Ended Domains. As EDM has matured it has increasingly been applied to open-ended and ill-defined tasks…