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SingaporeDesign StudiesQuick questions
Sustainable and User-Centred Design
Quick questions on User-centred design principles: O-Level Design Studies
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are understanding users?Show answer
UCD begins with understanding real users through research: observing them, talking to them, and learning their goals, habits and frustrations. A useful tool is the persona, a realistic profile of a typical user (their needs, abilities and context) that the designer keeps in mind to stay focused on real people rather than a vague "average user". Understanding users prevents the common error of assuming everyone is like the designer.
What is usability?Show answer
Usability is how easy, efficient and satisfying a design is to use for its intended users. A usable product lets people achieve their goals quickly, with few errors and little frustration. Usability comes from clear, intuitive controls and layout (so users understand it without instructions), good feedback (the design responds clearly to actions), consistency, error prevention, and simplicity. Usability is the practical test of whether a design truly serves its users.
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