Re: [IxDA Discuss] Article on Number of Usability Test Participants

2009-10-13 Thread Larry Tesler
Thomas, In my experience, it depends. Obviously, issues stemming from visual design decisions made after the wireframe stage will not be caught in wireframe tests. At the opposite end of the spectrum, misfits between the designed workflow and the habits/expectations of the target audience

Re: [IxDA Discuss] Article on Number of Usability Test Participants

2009-10-08 Thread Larry Tesler
ntitative "what" or the qualitative "why", you will sometimes benefit from seeking to discover the other. Larry Tesler Welcome to the Interaction Design Association (IxDA)! To post to this list .

Re: [IxDA Discuss] Article on Number of Usability Test Participants

2009-10-07 Thread Larry Tesler
antial economic loss, require different approaches, including careful walkthroughs with security experts, large beta trials in which adverse consequences are artificially limited, and exposure of test subjects to intentionally risky scenarios within simulated environm

Re: [IxDA Discuss] Black background interfaces...

2009-05-03 Thread Larry Tesler
Gavin, See NASA's "Designing with luminance contrast" at http://colorusage.arc.nasa.gov/design_lum_0.php and the last few paragraphs of "Luminance contrast" at http://colorusage.arc.nasa.gov/luminance_cont.php . The references are at http://colorusage.arc.nasa.gov/refs_1.php. The upshot is t

Re: [IxDA Discuss] Bowman leaves Google

2009-03-23 Thread Larry Tesler
Kevin, Your post is both balanced and wise. I, on the other hand, am having trouble communicating my position on this issue. Shades of blue and widths of borders could well be inhibiting the crossing of a valley if undue time and resources are devoted to such 0.1% improvements to the exc

Re: [IxDA Discuss] Bowman leaves Google

2009-03-22 Thread Larry Tesler
not referring specifically to Google, but rather to the practice of web design wherever it takes place. Larry Tesler On Sat, Mar 21, 2009 at 5:59 PM, Larry Tesler wrote: Yes, over-reliance on data-driven incremental design (DDID) is ill- advised. - Customers who use more than one of a

Re: [IxDA Discuss] Bowman leaves Google

2009-03-21 Thread Larry Tesler
quals among the various practitioners. Larry Tesler When a company is filled with engineers, it turns to engineering to solve problems. Reduce each decision to a simple logic problem. Remove all subjectivity and just look at the data. Data in your favor? Ok, launch it. Data shows negative e

Re: [IxDA Discuss] The Save Icon "rut"

2009-03-19 Thread Larry Tesler
em might be taken to exclude the rest. For example, an optical disc might be assumed to mean "Burn". I think it would take a spectacularly clever icon to displace the floppy for Save. Larry Tesler On Mar 19, 2009, at 9:09 AM, Jake Trimble wrote: Has anyone seen any attempts to re

[IxDA Discuss] Yahoo! to 23andMe (was "Re: People are Used to it")

2008-12-28 Thread Larry Tesler
Jared, I was one of the personnel changes. After transitioning my responsibilities to some great people, I left Yahoo! November 7 and started at 23andMe four days later. Larry Tesler P.S.: 23andMe has openings for designers. Multiple design skills preferred (visual/interaction

Re: [IxDA Discuss] "People are Used to it"

2008-12-28 Thread Larry Tesler
Jared, This digital download is now the bestseller on Amazon. I suspect that it became so after your comment yesterday. Larry On Dec 27, 2008, at 11:00 AM, Jared Spool wrote: If you want to understand how consumers view features versus usability, I'd start with the Harvard Business Review

Re: [IxDA Discuss] How to cue people for drag and drop

2008-12-02 Thread Larry Tesler
ft of each row whenever it is in edit mode. Larry Tesler On Dec 1, 2008, at 7:59 PM, Alan Wexelblat wrote: I have a screen with a slightly unusual UI. There is a table of rows that can be edited in place, but you can also drag and drop the rows, somewhat in the style of Excel. You can also

Re: [IxDA Discuss] [Off-topic] Alarm Clock Recommendations

2008-06-24 Thread Larry Tesler
My July 2006 wake up call about this alarming topic was documented at: http://blog.360.yahoo.com/nomodes Here's the text: The devolution of a clock Some time during the 1990's, I purchased a Braun travel alarm that was a delight to own until it eventually died last year. I

Re: [IxDA Discuss] Is Eye Tracking too expensive or complicated?

2008-04-22 Thread Larry Tesler
Jared, If most readers think this has gone on too long, we should wind it down. On Apr 22, 2008, at 5:59 AM, Jared M. Spool wrote: > > On Apr 22, 2008, at 3:08 AM, Larry Tesler wrote: > >> The fact that different observers see different things in the same >> raw eye tracki

Re: [IxDA Discuss] Is Eye Tracking too expensive or complicated?

2008-04-22 Thread Larry Tesler
notice something subtle, but important, that other observers have missed. This is as true in design research as it is in radiology, geophysicists or espionage. Larry Tesler On Apr 19, 2008, at 6:46 PM, Jared M.Spool wrote: > ... Deducing information > about a design from eyetrack