The effects of semantic and syntactic instruction on user performance and satisfaction in search user interface design
Master of Science (MS)
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Industrial and Systems Engineering
First Advisor's Name
Marc L. Resnick
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Second Advisor's Name
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Date of Defense
The design of interfaces to facilitate user search has become critical for search engines, ecommerce
sites, and intranets. This study investigated the use of targeted instructional hints to improve search by measuring the quantitative effects of users' performance and satisfaction.
The effects of syntactic, semantic and exemplar search hints on user behavior were evaluated in an empirical investigation using naturalistic scenarios. Combining the three search hint components, each with two levels of intensity, in a factorial design generated eight search engine interfaces. Eighty participants participated in the study and each completed six realistic search tasks.
Results revealed that the inclusion of search hints improved user effectiveness, efficiency and confidence when using the search interfaces, but with complex interactions that require specific guidelines for search interface designers. These design guidelines will allow search designers to create more effective interfaces for a variety of search
Bandos, Jennifer M., "The effects of semantic and syntactic instruction on user performance and satisfaction in search user interface design" (2003). FIU Electronic Theses and Dissertations. 1385.
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