This study addresses the role of domain-general mechanisms in second-language learning and knowledge using an individual differences approach. We examine the predictive validity of implicit-statistical learning aptitude for implicit second-language knowledge. Participants (n = 131) completed a battery of four aptitude measures and nine grammar…

This research paper seeks to determine learner autonomy level in relation to incidental vocabulary acquisition (IVA), out of the realization of both concepts as prominent factors in language learning in general, and English for Specific Purposes (ESP) in particular. The paper particularly aims at examining the influence of participants', medical…

We investigated how positive, negative, and neutral mood states influence aspects of second language acquisition, either directly or in interaction with certain personality characteristics (openness, intuition, emotional intelligence, foreign language anxiety, and impulsivity). After completing individual differences questionnaires, 120…

Previous studies have shown that learner individual differences have important impacts on L2 accuracy development. The present study examines a learner variable (i.e. extraversion versus introversion) and its effects on incidental focus on form. Twenty-eight ESL students in two classes (an advanced and an upper-intermediate class) and their…

The current study longitudinally examined the influence of aptitude on second language (L2) pronunciation development when 40 first-year Japanese university students engaged in practice activities inside and outside English-as-a-Foreign-Language classrooms over one academic year. Spontaneous speech samples were elicited at the beginning, middle,…