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Abstract

Surveys have shown that 75% of users get frustrated with search engines and only 21% find relevant information. Inability to find relevant results can be partially attributed to cluttered results pages and failure in constructing Boolean queries. This research used sixteen subjects to evaluate two types of search results interfaces using four tasks while measuring performance and studying their ocular behavior using a Tobii 1750 eye-tracker. The two interfaces used were list interface, commonly seen on many search engines and a tabular interface presenting information in discrete categories or elements of the result's abstract. Quantitative comparisons of two interfaces are made on performance metrics such as time and errors, process metrics such as fixation durations, number of fixations, and eye movement transitions from one element or category of the abstract. Subjective data was collected through post-task and post-test questionnaires. The results did not show any significant difference in performance between the two interfaces, however, eye movements analysis provide some insights into importance of search result's abstract elements such as title, summary, and URL of the interface while searching.

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Using Eye Tracking to Evaluate Alternative Search Results Interfaces

Abstract

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