The study investigated the effects of correction of learners' grammatical errors on acquisition. Specifically, it compared the effects of timing of correction (immediate versus delayed correction) and manner of correction (explicit versus implicit correction). It also investigated the relative effects of correction of morphological versus syntactic features and correction of developmental early versus developmental late features. Data for the study were collected from 56 intermediate level students of English as a Foreign Language in Iranian university and private language school settings. Each participant was required to read and then retell a written text in their own words during an oral interview with the researcher. During or following the interview the researcher corrected the participants on their grammatical errors implicitly (using recasts) or explicitly (providing metalinguistic information). Individualised tests focusing on the errors that had been corrected were constructed for each participant and administered. Statistical analyses were conducted on the scores the participants received on their individualised tests. Results showed no significant differences for timing of correction. However, significant differences were found for manner of correction. Participants who received explicit correction gained significantly higher scores than those who received implicit correction. This finding lends support to the argument of Schmidt (1994) concerning the role of metalinguistic awareness in language acquisition. Correction of morphological features was found to be more effective than that of syntactic features. It is argued that morphological features are generally learnt as items whereas syntactic features involve system learning. Correction of developmental early features was found to be more effective than correction of developmental late features. This finding lends support to suggestions that corrective feedback (like other types of form-focused instruction) needs to take into account learners' cognitive readiness to acquire features (Pienemann 1984; Mackey 1999). iii Analyses of the interactions between independent variables were also conducted. It was found that explicit correction was more effective for the acquisition of developmental early features and implicit correction was more effective for the acquisition of developmental late features The implications of these results for both second language acquisition and language pedagogy are considered.
| Identifer | oai:union.ndltd.org:ADTP/277474 |
| Date | January 2006 |
| Creators | Varnosfadrani, Azizollah Dabaghi |
| Publisher | ResearchSpace@Auckland |
| Source Sets | Australiasian Digital Theses Program |
| Language | English |
| Detected Language | English |
| Rights | Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated., http://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm, Copyright: The author |
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