How do different language achievement measures, learning contexts, L2 anxiety types, and educational levels moderate the relationship between language anxiety and language achievement?

SECOND LANGUAGE ANXIETY AND ACHIEVEMENT
A META-ANALYSIS

1. What are the methodological and reporting practices involved in studies of the relationship between L2 anxiety and achievement?
2. What is the direction and the size of the relationship between L2 anxiety and learners’ language achievement?
3. How do different language achievement measures, learning contexts, L2 anxiety types, and educational levels moderate the relationship between language anxiety and language achievement?