Workshop

Examining visual attention of dyslexics on web navigation structures with eye tracking Areej Al-Wabil, Panayiotis Zaphiris, Stephanie Wilson Centre for Human-Computer Interaction Design City University London, UK

Human-Computer Interaction ,[object Object],Human /Behavioural Sciences Interactive Systems Psychology Social Sciences Cognitive Science

Eye tracking methodology Classification by Duchowski (2002). Eye tracking methodology: Theory and practice ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

VISUAL ATTENTION ,[object Object]

Applications of Eye Tracking (1) ,[object Object],How can visuals draw and drive attention? Image Source: HumanFactors.com

Applications of Eye Tracking (2) ,[object Object],[object Object],Source: Tannen (2007) Eye Tracking for Product Design

Applications of Eye Tracking (3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Source: Vision and Cognition Lab Drexel University http://viscog.cs.drexel.edu

Eye Tracking & Web Interaction Attention deployment Target processing User response Video of eye gaze overlaid on a web site in a navigation session.

EXAMINING VISUAL ATTENTION OF DYSLEXICS ON THE WEB ,[object Object]

Developmental Dyslexia ,[object Object],[object Object],[object Object],[object Object]

Seeing through Dyslexics’ eyes ,[object Object],[object Object]

Visual processing difficulties Akiyoshi Kitaoka, Rotating Snakes (2003). This picture by Kitaoka appears to move due to the luminance contrast between the black, blue, white, and yellow.

Interface Design for Dyslexics ,[object Object],[object Object],[object Object],[object Object],[object Object],SeeWord: Gregor et al. (2003) SpeakOut: Evans & Blenkhorn (2005)

DYSLEXIA AND WEB NAVIGATION ,[object Object]

Exploratory Experimental Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Viewing patterns: Strategic Visual Search Non-Dyslexic Controls Dyslexics Key finding: Dyslexic viewing patterns appear less strategic and more scattered than viewing patterns of controls.

Viewing patterns: Re-visiting regions Non-Dyslexic Controls Dyslexics Key finding: Controls exhibited more directed scans of navigation bars than dyslexics (exhibited more re-visits to areas of interest)

Examining Areas of Interest AOIs Non-Dyslexic Controls Dyslexics What is guiding eye movements? ..web page features, task, individual characteristics?

Closing Remarks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Examining visual attention of dyslexics on web navigation structures with eye tracking Thank you [email_address]

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