1. Learner corpora in language testing and assessment: Prospects and challenges (by Callies, Marcus); 2. New corpus resources, tools and methods; 3. The Marburg Corpus of Intermediate Learner English (MILE) (by Kreyer, Rolf); 4. Avalingua: Natural language processing for automatic error detection (by Gamallo Otero, Pablo); 5. Data commentary in science writing: Using a small, specialized corpus for formative self-assessment practices (by Nordrum, Lene); 6. First steps in assigning proficiency to texts in a learner corpus of computer-mediated communication (by Marchand, Tim); 7. Data-driven approaches to the assessment of proficiency; 8. The English Vocabulary Profile as a benchmark for assigning levels to learner corpus data (by Lenko-Szymanska, Agnieszka); 9. A multidimensional analysis of learner language during story reconstruction in interviews (by Perez-Paredes, Pascual); 10. Article use and criterial features in Spanish EFL writing: A pilot study from CEFR A2 to B2 levels (by Diez-Bedmar, Maria Belen); 11. Tense and aspect errors in spoken learner English: Implications for language testing and assessment (by Gotz, Sandra); 12. Authors; 13. Index