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.
The Europa Web Guide is the official rulebook for the European Commission's web presence, covering editorial, legal, technical, visual and contractual aspects. All European Commission web sites must observe the rules and guidelines it contains. Web practitioners are invited to observe its contents and keep abreast of updates.
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."