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Process
The best designs come through a process of continuous improvement, with each iteration comprising requirements gathering, brainstorming, prototyping, and evaluation. This is sometimes called design thinking.
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Requirements
Getting to know your users’ perspective can be difficult, but it is essential. Without it, you won’t have the empathy you need to design a good experience for them.
Personas and scenarios can capture this perspective.
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Brainstorming
To get good ideas, you need a lot of ideas. Many teams get fixated on their first idea and need help to unlock their creative potential.
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Prototyping
To make good design decisions, you must make your ideas concrete. Many prototyping methods have evolved to make this easier, but choosing the wrong method can waste precious time.
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Evaluation
It’s best to evaluate with real users, but how should you recruit them? What will they do, and what data will you collect? How should you interpret that data to make a decision? Again, choosing poorly wastes time and money.