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16

Step size and security When they are well designed, they seem to prevent more incidents than what they cause. There's a lot of information in Pauls, Jake. "Relating stair nosing projection, tread run dimension, shoe geometry, descent biomechanics, user expectations, overstepping missteps, and closed-riser heel scuff missteps.". I've not found studies that ...


10

I am afraid my answer might not be considered as the definitive source as I am just quoting someone in a forum but the primary reason is to enable users to walk down steps better by providing more grip and space. To quote the post. For safety in going down the stairs. When you step down the stairs, you place the ball and toes of your foot on the tread ...


9

I've not done this before, but I am going to answer my own question because after reading each of the answers here, I found that I needed to dig deeper to find a definitive answer. Nosings offer multiple usability benefits The world's foremost expert on stair design seems to be John Templer, formerly Regents' Professor of Architecture at the Georgia ...


8

I suggest the "I Agree" button. We all know that the "I Agree" button is just some legal mumbo jumbo that neither the developers nor the end user truly care about. By having the checkbox, we lose the "I Do Not Agree" button. This makes it more difficult and frustrating for the end user to quit, which they should be able to do easily and at any time. For ...


4

This is conjecture as well but consider this analysis of stair climbing gait, specifically the transition from stage IV (Forward Continuance) → V (Foot Clearance) → VI (Foot Placement): In particular, note that while lifting the leading foot, the knee flexes more than the hip, thus causing the toes to have a net backwards movement. If you ...


3

FYI, the overhang is called nosing. Stair nose is used to create a decorative finished edge on a stairstep or staircase The primary reason is aesthetics and cost savings--not UX. Like a door or window casing, the stair nosing covers the seam between two materials meeting--in this case the tread and the riser. While it may cost more in materials, ...


2

Find some representative users and 'test' it on them (watch them using your tasks on your site) - you'll learn a lot.


2

Where to Start? As the comment above asked, how do you know there are usability issues? Why is a redesign necessary? Are there new requirements or are the old ones not being met? Is there any data/user feedback at all to suggest known problems or desired new features that you can start with? Is there any existing customer feedback mechanism (if not are ...


2

If you need a lot of different unique codes it matters whether the user will have to manually type it in, and it will have to be generated algorithmicly. Typed in Manually For something they'll have to type in, and still sufficiently random, I've done this before by generating a string like GHJ5-JKG4. Start by picking a random number between 0 and 31. ...


2

I think you'll find that different people will have different opinions about this, so while this is probably just my opinion, I will try to explain it in the most objective way I can think of. When you approach design from an 'engineering' perspective, it is about providing a solution to a problem that comes from first principles. That is, you come up with ...


1

One similarity between the two books you mentioned is in the editorial (back cover) reviews. They are by the same people, but for the most part simply replace the word usability by user experience. Uninspiring to say the least. One might therefore be led to believe that in the 10 year period between the two books, the author has seen an opportunity to make ...


1

This is a very interesting question. and all the reasons you carried maybe reasonable but nothing related to the toes and heel ... it is all about human comfort. The comfort space to get you feet onto a stair is 30cm tread X 15cm raise, but the comfort space for your next step average from 26cm to 28cm more than that you will make an extra effort to reach ...


1

That depends on your research question/s, but is nearly certain to be part of your research methodology. Research method If the evaluation is part of proving/disproving a hypothesis, or more commonly assessing the pros/cons of the resultant design in a thesis that aims to develop a system, then the choice of evaluation method (which you'll have to justify) ...


1

Let’s say you need a million codes tops. We’ll use a friendly scheme that has a milliard/billion possible combinations, but could be scaled up easily, so not every possible combination yielded a valid coupon code. Get a list of 1000 short and frequent non-vulgar words, preferably from the same category, e.g. just nouns. Randomize their order. Assign to each ...


1

Without any additional rules that would define what values can be used for a coupon code (or any restrictions), I recommend something that would be (1) easy to remember and (2) something that sort of describes the kind of discount that can be obtained. Examples: SAVE25%OFF FREESHIPPING WIDGET123 (Product name like you suggested - at least it implies that ...


1

You can't fix what you don't know is broken. As you state, your intimacy with the product means you're likely not an unbiased critic. So, as for where to start, find out what doesn't work for your audience. Start with some questionnaires or interviews or surveys. Talk to the support desk to see what questions they are asked the most. Find out if there is a ...


1

Regarding the rounding error, if you store in the unit they entered initially (or as a single type of unit), and then convert on display, you should only get a small rounding error but it shouldn't be compounded. Regarding the switch, I think the answer depends on why people would be switching back and forth between units. Wouldn't they typically just use ...



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