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Revision with unchanged content. Unlike other mediated communication technologies which have been ana lyzed over decades or centuries rather than years, IM communication has been the focus of relatively few academic inquiries, and very little is known about the content of real world instant messages. This study used quan ti ta tive content analysis software to create a linguistic profile of college student in stant messaging (IM) behaviors to investigate sex differences in text-based com munication. Conversations of 100 participants were logged over a period of 14 days. Linguistic indicators of psychological states, differences in affec tive language use by conversation dyad type, and gender differences within the context of IM were investigated. A multi-dimensional profile of linguistic characteristics of IM conversation was deve loped, and a comparison was made between the linguistic characteristics of IM, emotion writing, control writing, and talking. This book is addressed to professionals involved with mediated com mu ni ca tion and the development of systems that enable mediated communication. It is also directed towards researchers in communication, gender, linguistics, and interaction technology.

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Is a graduate student in the Department of Communication at Purdue University. He received an M.A. in Speech Communication from Miami University and a B.A. in Communication Arts from Cedarville University. His current research examines the ways new communication technologies shape social interaction.

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