Assessing C2 writing ability on the Certificate of English Language Proficiency: Rater and examinee age effects

Differentiating between advanced L2 writers at the higher levels of the Common European Framework of Reference (CEFR) presents a challenge in assessment. The distinction between descriptors at the C1 and C2 levels are fine-grained, and even native speakers of a language may not consistently achieve them. At the same time, the CEFR has generally been conceived with the language abilities and contexts of use of adults in mind, thus making...