| Summary: | 碩士 === 國立中正大學 === 資訊管理研究所 === 85 === How to use information technology to make decisions is one
of the most important issue in the area of management
information systems. However it had been proved that group
support systems(GSS) improve the scheme and outcomes of group
decision making. It needs different kinds of decision-assisted
tools when confronting different tasks. Most of the GSS research
islevel one system. In the future, GSS should be combined with
group decision tools such as AHP. In the early stage, the
empirical research results of GSS are inconclusive because of
the differences of tasks used in the studies. The purpose of
this study is to investigate the effects of using AHP in GSS and
choice tasks on group decision making. A 2×2 factorial design
was used, and a total of 32 groups participated in the study.
The dependent variables used in this study are group consensus
change, perceived decision quality, decision scheme
satisfaction, decision satisfaction and decision confidence. The
results indicate that using AHP in GSS can make the meeting
more effective outcomes on the preferential task than
intellective task. In the manner of choice tasks, the result is
whether or not using AHP in GSS are no difference on decision
making. However when confronting preferential task, using AHP in
GSS can make the meeting more effective outcome than used not
AHP in GSS.
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