There is emerging evidence that collocation use plays a primary role in determining various dimensions of L2 oral proficiency assessment and development. The current study presents the results of three experiments which examined the relationship between the degree of association in collocation use (operationalized as t scores and mutual…

This study examined how longitudinal interaction impacts the development of second language (L2) oral proficiency in relation to learners' different experience and proficiency levels. Japanese learners of English as a foreign language (EFL) participated in weekly conversation exchanges with native speakers (NSs) in the USA via videoconferencing…

Although thoroughly analysed in adult second language acquisition (L2A), the acquisition of subject properties in child L2A has not received so much attention and the majority of studies deal with longitudinal data or only with a single subject property. This study contributes new cross-sectional data from 5-year-old Spanish children acquiring…