Classroom layouts and analysis of class discussions Mixed papers relating to collaborative learning and the use of language featuring - - a hand drawn sociogram of a class of 9-10 year-olds illustrating their interactions - a hand drawn classroom layout prepared by the pupils themselves with accompanying transcript of their discussions as they executed the task - analysis of a classroom discussion by Marina Foster using numerical codes to classify the contributions eg commenting, echoing, instructing - theoretical papers on progress in spoken language and in language skills 1976-1979