interactivity. easy to focus on look what about feel?. Speech–driven interfaces. rapidly improving … … but still inaccurate how to have robust dialogue? … interaction of course! e.g. airline reservation: reliable “yes” and “no”. Look and … feel.
easy to focus on look
what about feel?
widgets - bits that make the GUI
what do they do
what are they good for
Move mouse over button – highlights
Move mouse off target withbutton still down – highlight removed
Release mouse – nothing happens
… lets make it bold italic
. If users can detect errors then they can correct them
can’t always avoid errors … … but we can put them right
make it easy to detect errors … then the user can repair themError and repair
Interaction affected by social and organizational context
This interaction does not occur within a vacuum.
We have already noted some of the physical factors in the environment that can directly
affect the quality of the interaction
constraints are contradictory … need trade-offs
… but also says “buy me”!!
if you want someone to do something …
interaction design basics