Previous research has shown that task repetition can positively affect L2 oral performance. However, few studies have explored the effects of task repetition on young EFL learners' production. Also, task repetition research has paid little attention to effects of "spacing" examined through longer time intervals between the two occasions…

Collaborative writing (CW) tasks require heightened Engagement with Language (EWL), as their learning potential has been shown to be mediated by the number of language-related episodes (LREs) or learners' patterns of interaction. Recent research on CW with young populations has investigated different dimensions of EWL, but a holistic view of the…

The current study examined the effects of task condition (TC; single vs. dual) and proficiency level (PL) on self-monitoring of second language (L2) speakers. Data were collected from sixty-six female L2 learners of English performing two speaking tasks under two task conditions. While performance in the single-task condition involved only…

A large number of research studies have highlighted the relevance of oral narratives for describing children's linguistic constraints, developmental stages of narrative discourse patterns, and sociocultural identities. Yet, little research has been found on the use of oral narratives as a means to longitudinally improve oral discourse coherence…

Existing studies on L2 motivation have established a significant association between ideal self, learning engagement, and academic achievement, but few have examined the internal relationships between these variables in the L2 writing domain. In addition, students' linguistic competence, a fundamental element of writing achievement, remains…

Research has suggested the important role of vocabulary knowledge in second language (L2) speaking proficiency. However, earlier studies tended to disregard the congruence in test format between assessing vocabulary knowledge and speaking skills with the former predominantly measured in written format. The current study measured vocabulary…

While much research has examined second language (L2) phonetic acquisition, less research has examined first language (L1) attrition in terms of the voice onset time (VOT) of voiceless stops. The current study examined L2 acquisition and L1 attrition in the VOT of word-initial voiceless stops among late English-Arabic and Arabic-English bilinguals…

In Dynamic Assessment (DA), the observation that individuals respond differently to support, or mediation, is important for diagnoses of development. The concept of learning potential refers to openness to mediation, i.e., the extent of change to performance when mediation is available, which may suggest learners will need less overall instruction…

Elicited imitation (EI), a short-cut measure of global proficiency in second language (L2) research, requires participants to listen to sentences and repeat them as closely as possible. To support instrument sharing and assessment of L2 proficiency for longitudinal and crosslinguistic research, we created a parallel form of an EI task (EIT) for L2…

The objective of this study was to explore the role played by phonological memory (PM) in the learning of new second language (L2) vocabulary presented in a narrated story. The proposal was that individuals with a strong PM would do better on this largely auditory task than those with poor PM capacity, since fewer visual/written cues could make…

This study uses a complexity-accuracy-lexis-fluency (CALF) framework to explore performance on 2 speaking tasks: a narrative picture-based task and an interactive decision-making task. A preliminary aim is to compare performance on the 2 tasks, using a wide range of CALF measures to explore where scores are similar and where they are different.…

This dissertation examines the extent to which lexical aspect and grounding influence the acquisition of tense and aspect by ninety-four instructed adult learners of Italian in two academic settings in North America. The semantic notions of tense and aspect have been extensively investigated in the domain of second language acquisition. After more…

This study investigated the constructs underlying second language (L2) word association (WA) with regard to three dimensions of lexical competence--size, organization, and accessibility--and the lexical performance of speech. One-hundred and thirteen Japanese learners of English completed a computer-delivered oral WA task along with three…

This study addresses the question of how the main factors related to input--including the environment in which children are exposed to both languages, the relative timing of the onset of the exposure to them and the amount of input--affect bilingual language acquisition at primary-school age. We examined the data of 42 German Polish bilinguals who…

This study explored the development of oral narrative retell proficiency among Mandarin Chinese-English dual language immersion (DLI) learners in Utah. The study compared the younger and the older DLI learners' oral narrative retelling production in order to provide information regarding the Mandarin narrative developmental trend of the DLI…