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> So? The justification is still substantive. What would change in a real slider that turns real setting on/off?

No it's not. Whether or not a design accomplishes its goals is exclusively based on what it's trying to communicate. This is trying to communicate animation curves.

> That's only true for those slowed down by a factor of 8. Otherwise it's not, I see the exact same issue in real-world sliders on web sites and in apps.

What you notice in apps is probably noticeable because it was done poorly. In the vast majority of instances, these things are done well so they help your eye adjust but don't stick out as animations.

> But they mostly do, add they do in this case ("turned_on"). The other use cases would have different issues like the choice of colors (green is for on) Then you overly general description forgets to prove that slower and more confusing control (which some generic non-tech users try to actually slide by holding a mouse button and moving the mouse instead of clicking) is actually preferable because it "feels" nice to them

You're substituting assumption for knowledge.

> Also, these > seasoned credentialed professionals in the field. are the same people who put these garbage sliders in the OS settings menus (as well as maintaining many other common decades-old UI bugs), so color me unimpressed by their credentialed osmosis degrading user experience at scale (poor FOSS designs notwithstanding)

Most novices can't distinguish poor practice from poor practitioners from poor general concepts.



>This is trying to communicate animation curves.

It's trying to communicate how to, among other things, apply animation curves to UI, just read it: "I use it for ... moving UI elements," "Speaking of UI, say"

I know it's easier to discuss generic things re. some Terra Design Incognita after erasing all of these specific details, but they do exist in the text even if you try to ignore context!

> In the vast majority of instances, these things are done well so they help your eye adjust but don't stick out as animations.

You're substituting assumption for knowledge (they aren't and they do, and I know my experience better than whatever you can imagine about someone else) and an answer to a specific question for yet another generalization. Is Apple part of the vast majority? Check my other comment re. how the fundamental slider flaws appear in that impeccably unnoticeable design

> Most novices can't distinguish poor

And here you go again, incapable of demonstrating the value of a supposedly good general concept to address a general challenge in a case of a slider, instead veering off into an assessment of some generic group that's not present in this conversation.


> Most novices can't distinguish poor practice from poor practitioners from poor general concepts.

Off-topic, but this made me chuckle. My current progress into learning instruments and music is greatly helped by the fact of knowing a few musicians who understand my problems better than I do because they had those problems 15 years ago, haha.




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