*English Learners in secondary school settings often face discrepancies in opportunities and outcomes. Methods to address these discrepancies are grounded in an instrumental approach to instruction, wherein educational practitioners are understood to require methodological intervention in the form of professional development by a more experienced…

This paper describes strategies used by novice biology teachers to exert sociolinguistic control over conversations when teaching unfamiliar subject-matter content. These discourse control strategies were identified in a year-long study of teacher subject-matter knowledge and its effects on teaching, and are illustrated in three lessons taught by…