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…

The aims of the current project were to: (1) describe average change in the use of academic words across the school year in writing and (2) examine potential predictors of growth in academic word use in response to morphology-focused supplemental instruction. Investigators utilized written expository responses of 824 students in 5th grade before…

This study examined how students of English as a foreign language (EFL) with different first language (L1) backgrounds use interactional metadiscourse markers in argumentative writing. Specifically, to explore unique patterns of metadiscourse features that reflect context and development, the essays written by Chinese, Japanese, and Korean EFL…

This paper presents a theoretical and empirical case for the value of scenario-based assessment (SBA) in the measurement of students' written argumentation skills. First, we frame the problem in terms of creating a reasonably efficient method of evaluating written argumentation skills, including for students at relatively low levels of competency.…