In successful writing development, English as a foreign language (EFL) learners not only need to acquire grammatical complexity (GC) features but also know when and how to use them flexibly across communicative contexts, known as register flexibility. The present study, guided by the sociocultural theory of language learning, examines descriptive…

In writing science summaries, student writers frequently borrow language fragments from source texts. While taking a text's ideas verbatim is commonly considered a failure in writers' expected use of their own words or even plagiarism, imitating "linguistic chunks" from skilled speakers is also an effective practice in language…

In writing science summaries, student writers frequently borrow language fragments from source texts. While taking a text's ideas verbatim is commonly considered a failure in writers' expected use of their own words or even plagiarism, imitating "linguistic chunks" from skilled speakers is also an effective practice in language…

Learning to use language in order to complete source-based writing tasks is a challenge for middle grade writers worthy of additional study, especially given that these tasks are increasingly common in classrooms. Here, we examined the contribution of receptive and productive cross-disciplinary academic language skills to the writing quality of…

Mid-adolescence is a period of considerable potential growth in the language for academic writing. Yet, to date, few writing studies explore language development during this period and even fewer focus on longitudinal or diverse samples. In this study, we examined the development of language skills for academic writing in a socio-economically…