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166

Here in Finland the main reason is this: Image source Road markings are used to denote speed limits but never as a primary mean. And as Jung Lee points out, re-applying road paint is labor intensive, especially here, as studded tyres usually erode most of the paint in one or two winters. Edit: The Finnish law actually states that road markings, such as ...


92

To add to DA01's great answer, here's the history of cursor arrow. The link also links to a well known document from Xerox with further explanation, from which I took the image below. However, this document doesn't explain the reason behind the tail. This being said, the reasons for tilting explain why tilting was needed. Now I'll take the same image ...


74

Instruct Having something like this doormat outside your front door will 'permission prime' your guests on your expectations about shoe removal. Reinforce Having your shoes on a shoe-rack on the inside of your flat will further reinforce your expectation.


73

Basic users first I assume this isn't a color theory app. If this is intended to support quick color selection with a sub-set of power users, a hybrid palette chooser / builder will work well. Make ‘easy’ easy Start with a palette-based chooser with reasonably sized swatches that simplifies the user's job of making a fast selection. Google has ...


53

It's an arrow: pictograms of arrows have mostly always had at least the arrow head and the shaft: Whoever drew the cursor as we know it was drawing an arrow. It became the default standard. You are right, it probably would work without the shaft (or tail) just as well. It's just that it's not what the UI designer chose when it was created and we've ...


52

Well, you can write the predicted year of death based on user research, or you can say "TBD" :). And more seriously - it would be a good idea to develop two templates for this item, one for dead presidents and another one for those who are still alive. The "alive" one shouldn't contain the "Died" field at all. The downside to this is that it may not be ...


46

It is not uncommon to take your shoes off in Europe (at least in the UK and Belgium where I've lived). However, just sticking up a sign might be seen as rude / impersonal. If all else fails it's best just to ask people to take their shoes off. Assuming that your place is clean their shouldn't be any objections (unless they've got hole in their socks). As ...


41

I would say there are a couple of aspects here Line of sight : Though while driving your line of sight is mainly on the road, the main point of focus is at object ahead of you straight ahead (e.g. a vehicle going ahead). Hence writing the speed signs on the road would have to require the person driving to focus down and assimilate the information which ...


41

You read as you approach. Theoretically. In reality, levels of visual acuity mean that some people (like you and I) can read the whole block at once. Another reason that painting information on the pavement isn't always ideal. Here's a good visual for how this is designed to function in practice: The trick is (as the image above shows) the spacing of ...


26

I'm not sure there's any objective answer to this one, because it'll depend too much on the demographics of your clients. I'll give my subjective two cents though! If they're not graphic designers or extremely tech-savvy, I'd want to go for the most intuitive solution, which to me is the second one. In my mind, the thoughts of a user would probably go "I ...


25

It depends on what behavior is being changed Milton Glaser created the following illustration he calls "The Road To Hell", which shows gradients in design ethics: For most cases in The Road to Hell, the design objective is to convince users to buy something. But the illustration shows that the nature of the product and the type of designed behavior can ...


23

Besides the snow-covered roads—a very clear reason but only applicable in a small number of cases—there are several vision-related explanations. The first one is simply geometrical. On an empty road, a traffic sign remains for a long time close to the centre of the driver's field of view (where vision is sharpest) and can be seen from far away. It gets off ...


22

Place the search box above, right Since the search applies to the list, place the search box and its label at the top of the list, on the right. The magnifying-glass icon is optional. Here are some research-based guidelines for search that back up this answer in a round-about way—these guidelines are for web sites rather than applications. A few other ...


22

You've somewhat discovered the answer to your own question. The best time to include development in the design process depends on the development team you are working with. Your initial intuition is correct...get the developers in sooner than later. Ideally, they are a part of the design process from the beginning. They have insights and ideas that can ...


21

Do signs printed on the road offer a significant advantage for the user over signs on a post? Let's make a matrix: ------------------------------------------------------------------------------- | On Road | On Sign ...


21

Of course you can ask people, and of course you can put up a sign, but this is a UX question, not a . In an interaction design we wouldn't be happy putting up signs, or telling people how to behave: we want an environment that makes the desired behaviour automatic. I can't think of any any way to force this absolutely, but I think we can get pretty close: ...


20

In complete agreement with the other answers, but to provide an alternate viewpoint: If you were driving at night, your headlights will reveal the beginning of the sentence before the end.


20

The iPhone 5/5s/se size. There are three key reasons: More people today still own the smaller 4-inch model than the larger models. That's also not likely to change thanks to the lifespan of the iPhone and the recent release of the iPhone se. So unless you are targeting only people with larger phones, best to stick with smaller and scale up, not the ...


17

The Sharing Mockups stage is too late Assuming you want the developers fully engaged and understanding the reasoning behind the design and decisions made then you should have them in a UX Design Workshop - before mockups are done In my typical workshop I'd Explore related User Stories Itemise concepts user will be thinking about Do multiple UI ideas ...


15

All the color pickers you list are based on variations of the HSL / HSV (hue, saturation, lightness / value) color representations. Thus, their main differences are not in color theory, but simply in the placement and shape of the controls. That said, the second color picker in your list has one major disadvantage compared to the others: it doesn't have ...


15

tl;dr Social confirmation is a good thing in most cases. Don't give up on it until you've exhausted all your options. Then try, try again. Reviews are not a required feature Not every site has the volume or customer interest to generate a lot of [good] reviews. I have personally seen this in two contexts: A product line that was primarily ...


12

In addition to the ones mentioned by others, here are additional considerations: Road paint is more labor intensive to install initially. Road paint is more labor intensive to maintain as well because road needs to be repaved every few years and/or potholes filled. But more importantly, road paint is slippery in wet weather. (well known concerns among ...


11

@DavidGrinberg has a good point about most users not caring about having more than a small number of colors to choose from. However you can cater to both that group and people who want more choices with an interface supporting progressive enhancement. Microsoft's provided one with Windows for many years. I had trouble finding newer screenshots in English; ...


11

Review's aren't always necessary or helpful I disagree with other posters who espouse the view that social reviews are desirable per se and one should exhaust efforts to enable social reviews on a site. There is nothing magical about social reviews: they are simply another design feature of a site which has pros and cons, and serves an objective. Reviews ...


11

Start with subtle clues, slowly becoming more direct. As is commonly advised to writers; show, don't tell. People like making decisions on their own, but they also generally want to make others feel good. And especially in new environments and situations, we mimic. It's all about gradually going from subliminal cues to explicitly stating the intended ...


10

Couple of reasons: When driving there are often cars ahead, so anything written on the road can be obscured. The same is true with street signs, but it's not nearly as bad. Drivers look forward and straight. Signs are usually off to either side of the road, where both a driver and passenger can see. Thus the signs are a little easier to view for all ...


10

You may find this thread relevant. In a nutshell, it's a legacy design trait from typewriter days, and there hasn't been much reason to change it. Why are keyboard keys staggered? This is largely a case of path dependency. Originally keyboards had to have a staggered layout to fit the mechanical linkages between the keys and the levers. After ...


9

Standard health-and-safety advice is to have your eyeline level with the top of your monitor: So extrapolating that out to TVs - Typical sofa's have seat height lower than office chairs. ~40-45cm (17-18") off the ground. Example (there are loads like this on Google Images): So you need to have the TV lower to accomodate that, especially as they're ...


8

In general, it's much easier to scale a design up from a smaller screen size to a larger screen size. So I always start with whichever is going to be the smallest device. When you're scaling up, you can always add whitespace and have a balanced design, but you have no such option when scaling down.


7

Extreme Environmental Conditions Similar to conditions in Finland, as shown by @locationunknown, locations in India suffer problems as well. Where monsoon damages roads every year. Imagine speed limits and other markings on road would never be seen on these roads. Other constraints here in India, why speed limits are not on road is the sheer ...



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