In a distracted environment, the best form of smartphone interaction is a high-speed, easy-to-use one. Luke calls the typical mobile usage a "one thumb, one eyeball" experience, since the highly distracted environment causes most mobile users to engage in one-handed use with short spans of partial attention.
We’re not as rational as we think. The human brain is designed to make quick and effective decisions rather than stick to facts at all times. Instead of acting rationally, we prefer to act fast. This may lead to better outcomes indeed, but it might also lead you astray. Cognitive biases can be both a blessing and a curse.
ood UI design is all about guiding attention to what’s important. When making the right thing for the user the easy and obvious thing, you can’t ignore cognitive biases. After all, these biases are brain shortcuts that let us quickly and effortlessly make decisions and react to our environment.
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Law 1 / Reduce - The simplest way to achieve simplicity is through thoughtful reduction.Law 2 / Organize - Organization makes a system of many appear fewer.Law 3 / Time - Savings in time feel like simplicity.Law 4 / Learn - Knowledge makes everything simpler.Law 5 / Differences - Simplicity and complexity need each other.Law 6 / Context - What lie…
Summary: Design elements that appear similar in some way — sharing the same color, shape, or size — are perceived as related, while elements that appear dissimilar are perceived as belonging to separate groups.
"While it is important to keep key information easily accessible, the 3-click rule is an arbitrary rule of thumb that is not backed by data."