| Summary: | 碩士 === 國立中正大學 === 資訊管理所暨醫療資訊管理所 === 98 === The flourishing of the Internet provides more convenient and rapid data transfer, thus creates a new industry of computer-mediated communication (CMC). CMC assists the exchanges of messages among various people through supporting communication tools and networks. Current data communication modes can be divided into two categories: synchronous mode and non-synchronous mode. The main differences of these two modes are in the message delivery and the time taken to interact. Synchronous message communication tools include Instant Messaging (IM), Internet Relay Chat (IRC) while asynchronous message communication tools include Electronic Mail (EM) and Forums.
Successful passing of a message to its receiver depends on the system tools the sender used, sender’s personal preferences of CMC media, and other factors to form an integrated match. According to Task-Technology Fit theory, a person will apply a certain information technology to performing a certain task only when the technology is acceptable to him/her and has a good match with the task performing to improve personal performance and enterprise competitiveness.
Based on Task-Technology Tit theory, this study explored the performance of campus message (formal and informal) delivery systems (EM, a non-synchronous system, and IM, a synchronization system). A field experiment and a questionnaire survey conducted at a university in Taiwan revealed that students do prefer to use email for formal tasks and instant messaging for informal tasks and media preference does not modulate this relationship. The result confirms the Technology-Task Fit theory.
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