Many previous studies have evidenced the benefits research has on the teaching and learning process when conducted by teachers themselves. Consequently, there has been a growing number of teacher-researchers across the world, including teachers who have learned to be teacher-researchers. Understanding and knowing these teacher-researchers'…

Factors which are barriers to preschool teachers' use of English as the medium of instruction and facilitating strategies used to overcome those barriers can be complex. This study investigated those barriers and facilitating strategies through a systematic review using various databases, which resulted in 20 studies being identified. From these…