Differentiated second/foreign language (L2) instruction (DI) has received growing attention in pedagogical research. Yet, as a cornerstone of inclusive education, the DI is still under-documented. In this study, we integrated diagnostic assessment (DIA) and collaborative language learning in a differentiated (tiered) oral tasks intervention and…

Background: This study investigated the factor structure and factorial invariance of an English Placement Exam (EPE) from 1998 to 2011 to provide evidence for both the appropriateness of the test scores interpretations and for a validity argument. Methods: Test performance data collected from 38,632 freshmen non-English majors from a university in…

Background: The Common European Framework of Reference (CEFR) (Council of Europe 2001) has, over the past decade, come to be widely used as a reference tool for teaching, learning and assessment (Alderson 2002; North 2014). The focus of the current study is on scaling the China Standards of English (CSE) vocabulary descriptors for College English…