International Review of Research in Open and Distributed LearningPeer-to-peer interaction using computer-mediated communication (CMC) would appear to be a promising source of timely and cost-effective student support, but little empirical evidence regarding actual participant support behaviour has been presented (Lee, 2000). This paper reports a study of the occurrence of 13 online strategies defined as “supportive,” according to the categorizations found in an instrument called the Transcript Analysis Tool (TAT). More...