On Aug 20, 2009, at 4:41 PM, Elizabeth Buie wrote:
At 4:30 PM -0400 8/20/09, Jared Spool wrote:
However, let's keep clear on what the actual data from eye tracking
tells us. It can't tell us what the user sees. It can't tell us
what the user doesn't see. It only tells us what they gaze at,
which from my experience of working with the technology, isn't
really that useful.
Except if you're studying driver behavior while texting or
something. I saw a
video today in which they described the use of eye tracking to learn
just how
long drivers trying to text (in simulated conditions) took their
eyes off the
road.
I know that's not what you're talking about Jared, so I'm not really
arguing
against you. I'm just pointing out that there are some cases where
it *is*
helpful -- even necessary -- to know where people are looking, and
for how
long. Or, more specifically, where they are NOT looking.
But that's exactly my point. You don't need to do an eye-tracking
study to see this problem.
You can see it by just running this simulation: http://is.gd/2qCrq
Using eye tracking in this research doesn't add any value to any of
the data we already have.
Jared
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