What The Eye Can't See
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A version of the talk I originally gave to the Auckland Web Meetup - where I show a couple of strange perceptual phenomena that may explain the lack of usability in some websites.
Transcript of What The Eye Can't See
Users are dumb
and incredibly busyand incredibly busyand incredibly busyand incredibly busywhat we don’t what we don’t what we don’t what we don’t seeseeseesee
Inattentional blindness
change blindness
spot the error message
beforebeforebeforebefore after or next toafter or next toafter or next toafter or next to
what we do seewhat we do seewhat we do seewhat we do see
http://flickr.com/photos/naoh
Pre-attentive processing
Colour is pre-attentive
Shape is pre-attentive
Where’s the red circle now?
Preattentive Processing
the whole is more than the sum of its partsthe whole is more than the sum of its partsthe whole is more than the sum of its partsthe whole is more than the sum of its parts
www.lisarienermann.com
Which way to the toilets?
Thisisbroken.com
gestalt principles
. .
From moonbird's Flickr stream
page elements create lines & shapes
so common it becomes invisibleso common it becomes invisibleso common it becomes invisibleso common it becomes invisible
http://flickr.com/photos/morgantepsic
alerts
what the user sees
to sum up…to sum up…to sum up…to sum up…
