"Introducing Second Language Acquisition: Perspectives and Practices" provides a clear and comprehensive introduction to the main concepts, issues, and debates in second language acquisition studies. This introductory textbook is aimed specifically at students encountering the topic for the first time. Each chapter offers a modern layout…

The present study investigates inter-individual variation (linked to personality traits, multilingualism and sociobiographical variables) in attitudes towards code-switching (CS) among 2070 multilinguals. Data were collected through an online questionnaire. We found that high levels of Tolerance of Ambiguity (TA) and Cognitive Empathy (CE), and…

The present study is a large-scale quantitative analysis of intra-individual variation (linked to type of interlocutor) and inter-individual variation (linked to multilingualism, sociobiographical variables and three personality traits) in self-reported frequency of code-switching (CS) among 2116 multilinguals. We found a significant effect of…

This study investigated the role of domain-general inhibitory control in trilingual speech production. Taking an individual differences approach, we examined the relationship between performance on a non-linguistic measure of inhibitory control (the Simon task) and a multilingual language switching task for a group of fifty-six native English (L1)…

Due to the growing number of plurilingual learners in the world today (Hammarberg, 2010), the present multiple case study examines four plurilingual participants' beliefs toward first language (L1) and second language (L2) mediation in the acquisition of French as a third language (L3). During a 16-week classroom-based study in a French university…