David Wray and Kristiina Kumpulainen have carried out extensive research into classroom interaction, especially linguistic interaction.

An account of their work was published as: Kumpulainen, K. & Wray, D. (2002) Classroom Interaction and Social Learning London: RoutledgeFalmer

An early paper detailing the FACCT (Functional Analysis of Children's Classroom Talk) system can be dowloaded from here.

David Wray's commentary on the English usage of the England football team manager, Fabio Capello, can be seen here.