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date: 22 January 2020

Abstract and Keywords

Over the past 30 years, an increasing proportion of communication has occurred over the Internet, using a wide array of new technologies including video conferencing, audio conferencing, text-based messaging, and social media, and prompting a new field of research on the interaction between media and communication. This chapter explores the ways that computer-mediated communication (CMC) scholars have conceptualized differences among media, with a focus on Clark and Brennan’s (1991) influential theory of media affordances, and it reviews empirical research that has examined the role of these affordances in CMC. The role of individual characteristics (e.g., expertise, cultural background, native language) and group dynamics (e.g., group size, status) as mediating factors of the effects of media affordances on conversational grounding and task performance are discussed.

Keywords: Computer-mediated communication, social media, affordances, communication, empirical, group communication, collaborative work

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