Source-based writing is a complex and frequently occurring task type in postsecondary education. While a large body of research now exists investigating source-based student writing, few studies have used corpus-based methods to investigate L1 student performance on source-based writing tasks and to connect this performance to the holistic quality…

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,…

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…

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…

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…

Research has shown that general vocabulary knowledge (e.g., Milton & Treffers-Daller, 2013), academic vocabulary knowledge (e.g., Townsend et al., 2012) and general intelligence (e.g., Laidra et al., 2007) are good predictors of academic achievement. While the effect of these factors has mostly been examined separately, Townsend et al. (2012)…