/ˌjuːzəˈbɪləti/论文入门
Usability
可用性。产品被特定用户在特定使用场景下达到特定目标的有效性、效率和满意度的程度（ISO9241 定义）。
English Definition
"The extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use. (ISO9241)"
用法说明 · 针对中文母语者
ISO 定义里有五个维度：effectiveness, efficiency, satisfaction, learnability, error tolerance。日常对话里常简化成'好不好用'。
常见错误
- ·不要和 UX混用 —— usability 是 UX 的一个子集，UX 还包含情感、品牌、可访问性等。
- ·不要用 'user-friendly'替代 —— 'user-friendly'偏口语，论文和正式场合用 usability。
真实用例 · 2 条
"We measured usability across five dimensions per the ISO9241 standard: effectiveness, efficiency, satisfaction, learnability, and error tolerance."
论文Usability Evaluation of E-Government Portals·Various·2021
"Usability is not a feature you bolt on — it's a property of the whole system."
博客Usability101·NN/g·2022
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