Search Results Viewing Behavior vis-à-vis Relevance Criteria

Jacek Gwizdka () and Yung-Sheng Chang ()
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Jacek Gwizdka: University of Texas at Austin
Yung-Sheng Chang: University of Texas at Austin

A chapter in Information Systems and Neuroscience, 2020, pp 181-188 from Springer

Abstract: Abstract We conducted a lab-based experiment to investigate relationship between multiple criteria used in information relevance judgments and eye fixation behavior on search engine results. We collected eye-tracking data and conducted gaze-cued retrospective think-aloud (RTA). Data from RTA was coded with criteria used by participants in judging search results as relevant. The criteria were analyzed in relation to search engine result page (SERP) sequence and result rank on SERPs. The results of our study aligned with previous research, showing the effect of result rank on SERPs. Our results newly showed that specific source and topicality were the two most often used criteria for relevance judgments. Specific source was the most often used criteria initially but was then surpassed by topicality on subsequent SERPs and on lower result ranks. On first SERPs, fixation duration was significantly longer on results judged on topicality than on specific source. Pupils dilated significantly on the top ranked result on most SERP pages.

Keywords: Information relevance; Eye-tracking; Retrospective think aloud (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:spr:lnichp:978-3-030-28144-1_20

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DOI: 10.1007/978-3-030-28144-1_20

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