| Summary: | 碩士 === 國立臺灣大學 === 資訊管理學研究所 === 95 === In cyberspace, the importance of search engine prompts numerous evaluation studies regarding its effectiveness. From a user-oriented perspective, the paper studies the relations between user motivation and functional requirements of search engines, based on Herzberg''s Two Factor Theory. A survey, with 758 valid participants, was conducted to investigate the impacts of various functions of search engines on user''s behavior. The empirical results showed that user''s expectations of functional requirements, which further influence user''s motivation to use search engine, can be distinguished into two categories: hygiene factors and motivation factors. Hygiene factors of search engine are more effective in "attracting" users to try a search engine in the first place than in "retaining" users. However, the motivation factors are more effective in "retaining" users to continue using the same search engine than in "attracting" users.
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