Many English language proficiency (ELP) tests used for university admissions and placement now include integrated writing tasks that require examinees to use external sources when writing. Integrated writing tasks improve test authenticity and impact, but they raise several validity questions, such as what academic language skills they engage and…

In the realm of language proficiency assessments, the domain description inference and the extrapolation inference are key components of a validity argument. Biber et al.'s description of the lexicogrammatical features of the spoken and written registers in the T2K-SWAL corpus has served as support for the TOEFL iBT test's domain description and…