Re: [IxDA Discuss] Theories/principles in interface design

2009-02-19 Thread Adrian Howard
On 9 Feb 2009, at 22:14, Gretchen Anderson wrote: Wow! Thanks for this. As someone who misunderstood the research, it's helpful. But this brings up a question for me: Intuitively, 7+-2 *seems* to be a nice boundary for many instances (number of choices offered, groupings) and I'm curious

Re: [IxDA Discuss] Theories/principles in interface design

2009-02-09 Thread Gretchen Anderson
Wow! Thanks for this. As someone who misunderstood the research, it's helpful. But this brings up a question for me: Intuitively, 7+-2 *seems* to be a nice boundary for many instances (number of choices offered, groupings) and I'm curious if there is research that bears this out. I know the

Re: [IxDA Discuss] Theories/principles in interface design

2009-02-06 Thread Chauncey Wilson
This is a good topic. Consider Fitts' law: A mathematical law that predicts how long it takes to move from a starting point to a target object of a particular size. Fitts' law has been applied in UCD to tasks involving pointing at objects on the screen. and Hick's (or the Hick-Hyman) law (how

Re: [IxDA Discuss] Theories/principles in interface design

2009-02-06 Thread Adrian Howard
On 5 Feb 2009, at 18:07, suze ingram wrote: Oliver, take a look at Miller's working memory magical number 7 theory http://www.musanim.com/miller1956/. [begin rant - not aimed at anybody in particular] Glad to see a link to the original paper - if more folk actually read it there would be

Re: [IxDA Discuss] Theories/principles in interface design

2009-02-06 Thread Katie Albers
Go Adrian! I've always found it particularly irritating when the Magic Number is being quoted at me in reference to number of items in a menu, # of tabs, and the like...where the reason for making these things visible is to *avoid* cases where people need to rely on their working memory,

Re: [IxDA Discuss] Theories/principles in interface design

2009-02-05 Thread suze ingram
Oliver, take a look at Miller's working memory magical number 7 theory http://www.musanim.com/miller1956/. Cheers, Suze. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Posted from the new ixda.org http://www.ixda.org/discuss?post=38223

Re: [IxDA Discuss] Theories/principles in interface design

2009-02-05 Thread Jared Spool
On Feb 5, 2009, at 5:46 PM, oliver green wrote: Other than Gestalt's principles what are some common design principles that are based on human sensory perception (not just visual but also memory, auditory, haptic etc.?) http://en.wikipedia.org/wiki/Psychophysics Jared