The adaptation of visual search strategy to expected information gain

Tseng, Yuan-Chi; Howes, Andrew

doi:10.1145/1357054.1357221

Cited by 21 publications

(26 citation statements)

References 35 publications

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“…In the current study as well as the studies of Ling and Schaik (2006) and Lee et al (2009), a smaller inter-object spacing range might have been used unlike the studies of Everett and Byrne (2004) and Tseng and Howes (2008). This supports the idea of interobject spacing involvement in the unexpected results of the object size effect investigation in the current study.…”

Section: Chapter 6 Discussionsupporting

confidence: 83%

“…There was a significant main effect of the walking condition on the response time, The effect of density on visual search tasks has been reported in many previous studies (Everett & Byrne, 2004;Tseng & Howes, 2008;Vlaskamp, Over, & Hooge, 2005), and the effect of density might interfere with the object-size effect in the current study.…”

Section: Response Timesupporting

confidence: 82%

“…Ling and Schaik (2006) and Lee, Chao, Ko, and Shen (2009) used letters to find the interobject spacing effect and found that high density increased the visual search time, in agreement with the current study's results. However, Everett andByrne (2004) andTseng andHowes (2008) used icons and image thumbnails to find the inter-object spacing effect and found that a higher density decreased the visual search time. The range of inter-object spacing also might cause the result conflict.…”

Section: Chapter 6 Discussionmentioning

confidence: 99%

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Visual search on a mobile device while walking

Lim

Feria

2012

Proceedings of the 14th International Conference on Human-Computer Interaction With Mobile Devices and Services

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Previous studies have examined the effects of walking and user interface elements on mobile task performance, using physical target selection tasks. The current study investigated the effect of walking and user interface elements on visual search on a mobile device, isolating the effects on perceptual and cognitive processes. The effects of object size, contrast, and target location on mobile devices while walking and standing were examined. A serial visual search using "T" and "L" shapes on a mobile device, which controlled for physical target selection involvement was conducted. The results showed that walking, bigger object size, and the target position in the outer area of the mobile device display slowed the visual search response time. This suggests that walking causes a negative performance effect not only on the physical task but also on the cognitive process while interacting with the mobile user interface. In addition, the results of the study suggest that the placing of major content and call-to-action items in the inner area of the display are likely to improve task performance on a mobile device.v DEDICATION

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Section: Chapter 6 Discussionsupporting

confidence: 83%

Section: Response Timesupporting

confidence: 82%

Section: Chapter 6 Discussionmentioning

confidence: 99%

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Visual search on a mobile device while walking

Lim

Feria

2012

Proceedings of the 14th International Conference on Human-Computer Interaction With Mobile Devices and Services

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“…This confirms previous studies reporting that less dense search displays can be disadvantageous, e.g., [13], [14]. The absence of a significant layout×distortion interaction for present trials shows that the disadvantage of a padded layout was equally pronounced at all distortion levels.…”

Section: Trial Completion Timesupporting

confidence: 92%

A Visual Search User Study on the Influences of Aspect Ratio Distortion of Preview Thumbnails

Ahlström

Schoeffmann

2012

2012 IEEE International Conference on Multimedia and Expo Workshops

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Most image and video retrieval tools used for large-scale media collections present query results as thumbnails arranged in a grid-like display with each thumbnail preserving the aspect ratio of its corresponding source image or video. Often, the outcome of a query is a set of thumbnails with different aspect ratios, thus a varying amount of padding space is used between the thumbnails in the display. This results in a visually erratic display that conflicts with interface design rules and aesthetic principles stipulating alignment and the usage of straight visual lines to guide the human eye while scanning the display. A solution is to create equally sized thumbnails by using cropping algorithms. However, this may remove useful search information. We investigated a simple alternative: to distort thumbnails to the same aspect ratio in order to provide a calm and structured display with straight lines between thumbnails. In a user experiment we evaluated whether and how much such a horizontal distortion can be applied without hampering visual search performance. The results show that distortion does not notably influence error rate and visual search time.

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“…Cutrell & Guan [1] found that this bias toward earlier results can also be affected by the content of the surrogates -in this case, by the length of the text snippet. Some other observations revealed by eye-tracking that are relevant to our work are that placement and proximity of image search results affects a viewers gaze path [6], and that an organized display with an explicit hierarchy reinforced with Copyright is held by the author/owner(s). …”

Section: Review Of Researchmentioning

confidence: 91%