Le 02/05/2014 05:46, Jim a écrit :
The feedback Mozilla is trying to gather on the usability of the page
could have been obtained using 'feedback' buttons.
If by that you mean that the web page could have a button that pops up a
form that people fill in and submit, this is nonsensical (if you meant
something else, please correct me).
Among other things, human beings are both not fully self-aware (far away
from it, myself included) and irrational. The type of feedback you get
from observing how people do behave has nothing to do with what people
would say they do (only a fraction would give feedback, so there is a
"self-selection" bias and this fraction would say what it thinks, not
what it does).
The questions asked on the form also create a bias since they
necessarily direct the answers.
The very position and size of the button would create a bias based on
people screen size for instance.
I may be exagerating, but I feel a feedback button would mean lots of
time processing the answers where a statistical bias (well, several)
making any result questionable.
David
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