The Dynamic Systems Theory perspective offers new lenses to probe into long-term foreign language development. This book reports on findings of a longitudinal multiple-case study on the vocabulary development of eight university-level Chinese learners of English. Framed within the Dynamic Systems framework, the study assumes a holistic perspective towards vocabulary knowledge and aims to project a comprehensive picture of vocabulary development in a typical foreign language learning setting such as the Chinese context. To this end, a wide array of quantitative measurements and qualitative...