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2010年3月9日 星期二

User Center Design (UCD)

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老師請我們用此種方式進行介面之評估,因此在這裡做一下筆記

根據 Wikipedia 所定義如下

user-centered design (UCD) is a design philosophy and a process in which the needs, wants, and limitations of end users of an interface or document are given extensive attention at each stage of the design process. User-centered design can be characterized as a multi-stage problem solving process that not only requires designers to analyze and foresee how users are likely to use an interface, but also to test the validity of their assumptions with regards to user behaviour in real world tests with actual users. Such testing is necessary as it is often very difficult for the designers of an interface to understand intuitively what a first-time user of their design experiences, and what each user's learning curve may look like.

翻譯成中文大略為以下的意思

以使用者為中心的設計方法 (UCD) 是一個設計的哲學與流程,從真正的使用者之需求、限制來評估設計介面或文件的每個過程。UCD也可以視為一個很多階段的解決問題之方法,不只分析並預測使用者是如何的使用介面,並且能夠在還沒有真正的使用者之前先針對開發的介面進行先導型的測試。如此一來就可以事先得知使用者在使用介面的過程當中,其學習曲線之變化。

我想重點應該是學習曲線這四個字,有些網站雖然使用的人很多,但不一定代表著其擁有好的介面,只是因為大家習慣於他難用的介面了,好的介面設計可以提升學習曲線改變的速度,是無庸置疑的事實。

WIKI 也定義了 UCD 所需要問的幾個問題

  • Who are the users of the document?
  • What are the users’ tasks and goals?
  • What are the users’ experience levels with the document, and documents like it?
  • What functions do the users need from the document?
  • What information might the users need, and in what form do they need it?
  • How do users think the document should work?

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