| Summary: | 碩士 === 國立成功大學 === 工業設計研究所 === 83 === This study is focused on an exchanging relationship between
designers and users, it trys to discuss a really existing phen-
menon in design from several different viewpoints. In this ar-
icle, according to those concepts including Value Theory in S-
ciology, Law of Demand in Economics, and Decision-Making Meth-
dology, etc., it has not only built up an operating model
andprogram shell for calculating user-demand*s elasticity of
anyunction in one product trough experimentation; but
introducedhe elasticity metioned above into general systematic
processs a dynamic index. Whole study was based on three issues:
EThe distinction between user''s and consumer''s demand,the con-
ept and theories about elasticity, and the calculating mod-l
for elasticity in design process.EThe proof of the phenomenon
of user demand by statistical re-ression / analysis of indiffer-
ent-curve, and automation ofll steps.EThe impact and
application of demand elasticity on systematicesign process.t
proposed an experiment with electonic single-len ca-era to
prove the user demand and a simple example to introduceow it
applied, the purpose overall is to raise the effect inesign
itself by emphasizing on such an interactive relationsh-p. To
sum up, the methodology which extract an logical modelrom
social reality could be a reasonable way in all the otheresign
domains, and it would be absolutely helpful for both de-igners
and users.
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