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63 votes
5 answers
10k views

What research is there suggesting modal dialogs are disruptive?

It seems "Everyone" knows they're highly disruptive for many situations but often times clients don't. Particularly in desktop applications this form of dialog is often misused, often disrupting a ...
Zelda's user avatar
  • 41k
76 votes
9 answers
5k views

How does Gamification change User Behavior?

On Location Based Applications the use of Gamification is essential. As you move along and check in you earn badges and points. Users also find themselves in a leader board, which most certainly ...
Benny Skogberg's user avatar
12 votes
3 answers
24k views

Mental model vs Conceptual model -- what's the difference?

I'm reading Apple's Human Interface Guidelines about Mental models and I can't understand what is the difference between Mental and Conceptual models. I prefer a short answer if possible :)
Miki's user avatar
  • 471