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Shintani, Natsuko – Studies in Second Language Acquisition, 2017
This study examines the effects of the timing of explicit instruction (EI) on grammatical accuracy. A total of 123 learners were divided into two groups: those with some productive knowledge of past-counterfactual conditionals (+Prior Knowledge) and those without such knowledge (-Prior Knowledge). Each group was divided into four conditions. Two…
Descriptors: Grammar, Accuracy, Second Language Learning, Second Language Instruction
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Saito, Kazuya; Wu, Xianghua – Studies in Second Language Acquisition, 2014
The current study examined how form-focused instruction (FFI) with and without corrective feedback (CF) as output enhancement facilitated second language (L2) perception of Mandarin tones at both the phonetic and phonological levels by 41 Cantonese learners of Mandarin. Two experimental groups, FFI only and FFI-CF, received a 90-min FFI treatment…
Descriptors: Mandarin Chinese, Sino Tibetan Languages, Native Language, Second Language Learning
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Sato, Masatoshi; Lyster, Roy – Studies in Second Language Acquisition, 2012
This quasi-experimental study is aimed at (a) teaching learners how to provide corrective feedback (CF) during peer interaction and (b) assessing the effects of peer interaction and CF on second language (L2) development. Four university-level English classes in Japan participated (N = 167), each assigned to one of four treatment conditions. Of…
Descriptors: Teaching Methods, English (Second Language), Interaction, Foreign Countries
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Shintani, Natsuko; Ellis, Rod – Studies in Second Language Acquisition, 2011
Most studies that have investigated the effects of instruction on the SLA of specific grammatical features have focused on intentional learning. This study investigated incidental acquisition by comparing the relative effects of two types of instruction--comprehension-based instruction (CBI) and production-based instruction (PBI)--on young…
Descriptors: Feedback (Response), Experimental Groups, Control Groups, Nouns
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Yang, Yingli; Lyster, Roy – Studies in Second Language Acquisition, 2010
Conducted in English-as-a-foreign-language (EFL) classrooms at the university level in China, this quasi-experimental study compared the effects of three different corrective feedback treatments on 72 Chinese learners' use of regular and irregular English past tense. Three classes were randomly assigned to a prompt group, a recast group, or a…
Descriptors: Feedback (Response), Control Groups, Foreign Countries, English (Second Language)
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Sheen, Younghee – Studies in Second Language Acquisition, 2010
This article examines whether there is any difference between the effect of oral and written corrective feedback (CF) on learners' accurate use of English articles. To this end, the current research presents the results of a quasi-experimental study with a pretest, immediate-posttest, delayed-posttest design, using 12 intact intermediate…
Descriptors: Feedback (Response), Experimental Groups, Control Groups, Metalinguistics
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Leeman, Jennifer – Studies in Second Language Acquisition, 2003
Recasts have figured prominently in recent SLA research, with studies documenting significant advantages for learners exposed to this type of negative feedback. Although some researchers have suggested that such findings imply a beneficial role for negative evidence (i.e., information regarding the impossibility of certain utterances in the…
Descriptors: Second Language Learning, Error Correction, Language Research, Spanish
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Sachs, Rebecca; Polio, Charlene – Studies in Second Language Acquisition, 2007
This study examines the effectiveness of written error corrections versus reformulations of second language learners' writing as two means of improving learners' grammatical accuracy on a three-stage composition-comparison-revision task. Concurrent verbal protocols were employed during the comparison stage in order to study the learners' reported…
Descriptors: Control Groups, Writing (Composition), Revision (Written Composition), Adult Students
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Ellis, Rod; Loewen, Shawn; Erlam, Rosemary – Studies in Second Language Acquisition, 2006
This article reviews previous studies of the effects of implicit and explicit corrective feedback on SLA, pointing out a number of methodological problems. It then reports on a new study of the effects of these two types of corrective feedback on the acquisition of past tense -ed. In an experimental design (two experimental groups and a control…
Descriptors: Feedback (Response), Error Correction, Experimental Groups, Control Groups