Abstract Based on the analysis of studies at home and abroad, this paper combines relative theories and qualitative research methods such as focus group method to analyze the factors affecting the short message service （SMS） communication in crisis from the aspects of communicative frequency, communicative character and the type of information flow. It also puts forward the theoretical model of SMS communication in sudden crisis events, and verifies and modifies the model through empirical tests and case studies.
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Received: 17 June 2009
Published: 31 December 2010
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