Edited by Gisela Granena, Daniel O. Jackson and Yucel Yilmaz
[Bilingual Processing and Acquisition 3] 2016
► pp. 279–302
Corrective feedback and working memory capacity
The present study, as a conceptual replication of Goo (2012), is designed to compare recasts with metalinguistic feedback in terms of the development of the English that-trace filter and explore the role of working memory (WM) in the extent to which L2 learners benefit from the two feedback moves. Eighty-three Korean EFL learners were recruited and randomly assigned to one of three groups: recast (n = 24), metalinguistic (n = 27), and control (n = 32). Each learner carried out a series of tasks and tests: a WM span task (operation span), a dyadic intensive treatment task, oral production tests, and grammaticality judgment tests (GJTs). Results showed that metalinguistic feedback was more effective than recasts at facilitating accuracy in oral production involving the English that-trace filter, but not on the GJT measure, and that WM was not found to have mediated the effectiveness of either feedback move.
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