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bio website uxtasy.com/blog/english
location Israel
age 33
visits member for 2 years, 3 months
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UX Design Manager @ DG Mediamind | Blogger @ UXtasy | Editorial member @ UXI

Cognitive Psychologist by training. @vitalym on Twitter.


Mar
28
comment Back button logic
Precisely. Another consideration in favor of the "view, not navigation" approach is that the other buttons are actions, not navigation items. It shouldn't be affected by the back button at all.
Mar
17
comment Elevator dispatch algorithm choice
An intro into elevator programming :)
Feb
24
comment Information visualization - display 6 related ranges on a single chart
I'm not asking the user to compute anything. As I mentioned in the question, first and foremost I intend to show the totals. Then, since the totals are made up of the two types (which is precisely the user's mental model), I'd like to use the same chart to display the breakdown as well. And in any case all 3 pairs of numbers are displayed in text as well. The challenge is to effectively visualize the composition of the data.
Feb
24
comment Information visualization - display 6 related ranges on a single chart
Since the total is composed of the apples and oranges, I am trying to avoid displaying the same data twice.
Feb
24
comment Information visualization - display 6 related ranges on a single chart
Well, options 1,3 & 4 actually harm the main requirement - to quickly assess the overall amount. In the case of 4 it can be ok when the first measure exceeds expectations (then the two bars seem continuous), but that's uncommon - and in any case it doesn't offer a way to assess "overall expectations". I think that the most promising solution is #2.
Feb
24
comment Information visualization - display 6 related ranges on a single chart
Thanks Roger! It's a good direction but here's what bothers me about it: Let's say that the external bar is the expected amount and the internal bar is the actual amount. I can divide each bar in two, and get the breakdowns. But the 2nd half of the internal bar will only align to the 2nd half of the external bar once the 1 half of the internal is "full" - and until that point it's difficult to compare the two. I'm playing with the idea of fixing the zero point in the middle and having the two bars grows sideways, but that proves difficult to understand.
Feb
13
comment Why don't sandwich toasters have an on/off switch?
@Ben Not quite. Your answer says that it's because the cable is the most explicit indicator. This is equally true for all other electrical appliances and yet they all have buttons. Benny's answer explains how a toaster is different from other appliances and provides convincing reasoning for the lack of the button.
Feb
10
comment Why don't sandwich toasters have an on/off switch?
@MarjanVenema If it does, then I don't know about it :).
Feb
10
comment Why don't sandwich toasters have an on/off switch?
I haven't encountered one with a button that's meant for home use. The electricity cable is a good indicator for all electrical appliances, but still most of them do have a button :). Why should the toaster be any different?
Jan
19
comment Why do we say we “browse” to a place on the Internet when we actually download a web server’s content to our browser?
This may be a question for English Language and Usage, but I really don't think it belongs on this site. An English-specific linguistic question about the internet isn't a UX question.
Jan
19
comment Are there any examples of certain website (or mobile app) UX analysis?
Offtopic to the question - IMHO it would really help if you spelled your username in latin characters, that way people can reply to you without having to copy-paste the username.
Jan
3
comment Is it ever a good idea to present a radio-button menu without outlining prior selection?
It's actually not as innovative and obscure as you seem to think. Here are a couple of past questions on radial menus that may help you: Are radial contextual menus better than vertical list menus?, Should I use a radial menu design for a touchscreen game?.
Dec
31
comment Mouse over gesture in touch interface
And a few others (1, 2, 3).
Dec
29
comment Standard icon for Purge operations
Hi bonomo, unfortunately as per the faq asking for icon suggestions is not a good fit for this website.
Dec
26
comment How to avoid bad ux
Well, the obvious answer is to hire a great UX consultant. To find one, I'd go to a site where lots of UX professionals hang out, preferably one that offers an easy way to rank them all, and I'd take the one with the highest... Oh, I see what you did there!
Dec
22
comment Should action buttons be separate or part of a single toolbar?
AFAIK visual noise directly affects cognitive load, but I don't have any research to cite on this. It's a good question to ask on CogSci.SE.
Dec
22
comment How do you deal with very long dropdown values?
Yes, the apple truncation is one of their better notions :). I'm not sure how I feel about truncating values inside a dropdown though. I need to provide some way to see the full name - even if not directly within the dropdown. The immediate answer is using a tooltip but I don't think most users would expect having a tooltip inside a dropdown.
Dec
22
comment How do you deal with very long dropdown values?
That's the direction that I've been exploring as well. Have you seen this implemented anywhere?
Dec
22
comment Should action buttons be separate or part of a single toolbar?
Moving the items 3 times doesn't necessarily mean you have to move the mouse every time. We can move the cursor along with the item, and in many cases we can just move the list around the item, anchoring the item in place.
Dec
21
comment Interesting visualizations for a personnel in-out control
@EduardoMolteni I didn't mean that it's vague, I'm suggesting a more effective approach to solving the problem. You're asking what visualizations are there, and you should be asking "what visualizations will help me understand the following aspects of the data: ____".