The use of screencasts as an instructional technology is increasing rapidly in higher education. While there appears to be a consensus around students' satisfaction with the provision of technology-enhanced tools, there is limited evidence revolving around their impact in terms of knowledge acquisition. Moreover, the reasons why students choose to…

This paper describes a qualitative study of asynchronous electronic conferencing by three tutorial groups on the same postgraduate course ("Teaching English to Speakers of Other Languages Worldwide"), forming part of an MA in Applied Linguistics (via Distance Education) at the Open University, UK. The groups varied in the degree to which…