Language teachers cannot help their students develop high levels of metalinguistic knowledge and language aptitude if they themselves are found lacking in these abilities. This article reports on a study that utilised a descriptive correlational mixed-methods research design to gather data from 89 multilingual teachers of English, Chinese, French,…

Self-development is a crucial aspect of language teaching as it fosters various dimensions of language teacher cognition, affect, and identity, ultimately contributing to better learning outcomes. Most studies on language teacher self-development have examined language teachers' cognitive, affective, and identity-related reactions to particular…