Re: [IxDA Discuss] Reverse colour text and attention blindness

2009-01-19 Thread John McCarthy
Thanks for the Apple example Den. I hadn't seen this yet.
This type of slider mechanism could work well as an alternative 
to tabs - especially if there tabs represent some sort of continuous
journey.  
I'd probably keep it persistent though. It disappears once you click
through on the Apple site.

Thanks again for that

 



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Re: [IxDA Discuss] Reverse colour text and attention blindness

2009-01-17 Thread John McCarthy

The problem is that some users seem to completely ignore the other
tabs in an in-page tab panel - even when the tab headings are clearly
relevent to their task. 

Obviously any tab panel should have some element of foreground and
background in the design but if the background is never even used
then it becomes a problem. 







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[IxDA Discuss] Reverse colour text and attention blindness

2009-01-16 Thread John McCarthy
I'm working on a design at the moment that has a tab panel in the page.

In the first iteration the visual designers used reverse colour on the main
type to distinguish between the selected tab and the unselected tab. This
type of colour reversal is a classic graphic design trick to decrease the
visual noise on a page.

My problem however is I think this kind of that it can introduce interaction
problems.
It is well known that we selectively attend on the basis of colour - in
other words if you are tuned into black text you will tend to not see any
white text. This is exactly the reason why the classic graphic design trick
works.

For the user this results in a kind of tab blindness - an effect I've seen
in a number of testing sessions.
Has anyone come across this observation or any design guidelines that advise
against colour reversals in navigation devices?



-- 
Dr. John McCarthy
Experience Architect

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