The book provides a systematic investigation of the dynamic trajectories in the oral language development of English as a Foreign Language (EFL) learners, integrating both inter-individual variation and intra-individual variability. It also identifies unobserved heterogeneity in oral language production.
The book provides a systematic investigation of the dynamic trajectories in the oral language development of English as a Foreign Language (EFL) learners, integrating both inter-individual variation and intra-individual variability. It also identifies unobserved heterogeneity in oral language production.