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Scanning slides 2018 02
1. 1
Tim Fidgeon
@timfidgeon
timfidgeon@gmail.com
• First impressions = formed in 50 milliseconds
• 20% of page content = read (on average)
How do people read online?
http://www.nature.com/news/2006/060109/full/news060109-13.html
http://www.useit.com/alertbox/percent-text-read.html
3. 3
Tim Fidgeon
@timfidgeon
timfidgeon@gmail.com
Digital displays suffer from…
• Resolution & glare
• 25% slower
• Impatience & cost-of-moving
• ‘Lean forward’-mode
Why do people scan?
http://www.useit.com/alertbox/reading_pattern.htm
http://www.nngroup.com/articles/usability-for-senior-citizens/
Exceptions: elderly & low-literacy
• 65+ years (vs. 21-55 years)…
• 40% slower at using websites
• 100% more likely to give up on a
task
• 50% more likely to self-blame