“…Furthermore, most researchers in the field of pragmatics and communication intervention now agree that everyone's communicative behaviour varies a lot in different social activities (Allwood, 2000;Beukelman & Mirenda, 2005;Ninio & Snow, 1996). One framework aimed to study and describe this phenomenon is Activity Based Communication Analysis (ACA) (Allwood, 2000), which also has been adapted to and used in clinical research (Ahlsén, 1995;Ferm, 2006;Ferm, Ahlsén, & Bjö rck-Å kesson, 2004;Saldert, 2006). ACA builds on the ideas of Wittgenstein, in which context is claimed to play a major role in the production and understanding of meaning (Allwood, 2000).…”