This study assessed the extent to which captions, textually unenhanced and enhanced, can draw learners' attention to and promote the acquisition of a second language (L2) grammatical construction. A pretest-posttest-delayed posttest experimental design was employed. Seventy-two Korean learners of English were randomly assigned to an enhanced…

The current study investigates the effects of more explicit versus more implicit corrective feedback on beginner Mandarin learners' perception and production of Mandarin tones. The effects of oral corrective feedback have been extensively investigated for various domains of second language acquisition (see Mackey & Goo, 2007). For phonological…

The present study investigates the prosody/pragmatics interface in TBLT by extending the traditional morphological focus-on-form to a focus on intonational forms, with Spanish declaratives and imperatives. Twenty-eight intermediate L2 Spanish learners were assigned to one of two conditions that differed in the type of focus-on-form present during…

Form-focused instruction studies generally report larger gains for explicit types of instruction over implicit types on measures of controlled production. Studies that used online processing measures--which do not readily allow for the application of explicit knowledge--however, suggest that this advantage occurs primarily when the target…

Although previous research has demonstrated the efficacy of recasts on second language (L2) morphology and lexis (e.g., Li, 2010; Mackey & Goo, 2007), few studies have examined their effect on learners' phonological development (although see Saito, 2015; Saito & Lyster, 2012). The current study investigates the impact of recasts on the…

This study extends the evidence for implicit second language (L2) learning, which comes largely from (semi-)artificial language research, to German. Upper-intermediate L2 German learners were flooded with spoken exemplars of a difficult morphological structure, namely strong, vowel-changing verbs. Toward the end of exposure, the mandatory vowel…

Meta-analytic research suggests an edge of explicit over implicit instruction for the development of complex L2 grammatical structures, but the jury is still out as to which type of explicit instruction--"deductive" or "inductive," where rules are respectively provided or elicited--proves more effective. Avoiding this…

This article reports on the design and use of a profiler for lexical sophistication (i.e., use of advanced vocabulary), which was created to assess the lexical richness of intermediate and advanced Swedish second language (L2) learners' French and Italian. It discusses how teachers' judgments (TJs) of word difficulty can contribute to the…

Comprehensibility, a major concept in second language (L2) pronunciation research that denotes listeners' perceptions of how easily they understand L2 speech, is central to interlocutors' communicative success in real-world contexts. Although comprehensibility has been modeled in several L2 oral proficiency scales--for example, the Test of English…

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…

In a study of the oral performance of English-as-a-Second-Language (ESL) learners, the accuracy and developmental progress of young francophone 10 and 12 year olds was investigated. Results support the hypothesis that form-focused instruction and corrective feedback provided in the context of communicative interaction can contribute to short- and…

This paper reviews studies that have contrasted the effectiveness of structured-input instruction with output-based instruction. It then presents results from a study comparing the relative effects of structured-input and output-based instruction on students' ability to comprehend and produce direct object pronouns in second language French. Three…