Until now, there has been very little unified analysis of metadiscourse across speech and writing. Drawing on a reflexive metadiscourse model, this article conducts a multidimensional analysis of metadiscourse across 10 spoken and written registers in a corpus of 626 texts. Two metadiscourse dimensions, participants’ interaction and discourse presentation, are identified. The more interactive registers are more prominently marked by participants’ interaction, and the more informational registers by discourse presentation. Along metadiscourse ...