On Sun, Aug 08, 2010 at 02:24:03PM +0200, andrzej zaborowski wrote: > I'm a little surprised that there has been no flame^Wdiscussion about > the order of the buttons yet, as the UI designers always observe that > the defaults is always what 90% of users will choose.
You started it… :P I thought there was no default button for CT page, although I think the buttons do always appear in the same order. For those not evaluating the options given to them, and just picking one at “random”… Natural (at least for many of us) left-right, top-bottom reading order suggests Decline would be first to be seen. On the other hand, somebody taking the time to at least read the choices would end up with their eyes focused on the Agree button, and might choose that if they were not to evaluate the options properly. Fitts’s law applied to two dimensions, would suggest that the nearest and biggest button (Decline) be the quickest to get to. From some of Ubuntu’s, and presumably other systems, desktop UI considerations, edges and corners have higher weightings (so panels, docks, etc always appear at the edge of the screen). This might suggest the Agree button gets a better chance, although I’m not sure the same rules apply, because it’s resistance to the cursor moving past the edge of the screen that makes it quick to get there. Anyhow, if it really bothers anyone I would make the buttons the same size, randomise the order in which they appear, and possibly also horizontally centre them. Simon -- A complex system that works is invariably found to have evolved from a simple system that works.—John Gall
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