--- title: Evaluation summary: Introduction to User Experience Design|Week5 created: 2021-11-18T22:09:49+08:00 categories: - UX学习笔记 - Introduction to User Experience Design tags: - UX --- ## **评估** - 可以确定我们正在改善用户的体验 - 需要定性、定量的数据 ## **分类** ### 形成性评估 - 在设计**低保真**原型的过程中进行的 - 数据:( 例如:完成任务的时间或点击次数)(关注任务) - 环境:一个受控环境, 例如, 实验室或办公室 ### 总结性评估 - 是在**高保真**原型或最终界面即将完成的情况下进行的。 - 数据:设计者能够访问的和分析的数据, 它们可以告诉我们如何使用系统。 例如,用户开始和结束会话时可能会有时间戳, 并记录用户如何与系统交互的数据(真实场景)、 - 场景:高保真原型可在野外进行,如真实的使用场景 ## **如何评估** ### 数据收集 - 以问卷形式进行的定量数据, - 记录用户完成任务时所经过的路径的数据。 - 用户访谈的形式获得的定性数据 ### 衡量 - 衡量任务的目标所达到的程度(完成程度) - 包括完成任务的时间、单击次数或   执行任务时出现的错误数。 ### 可学习性 - 定义:首次成功完成任务的简单程度。 - 衡量:完成任务的点击次数、完成任务所需的时间量来获得客观的测量结果, 然后将这些数据与专家的表现进行比较。 ### 可记忆性 - 定义:要记住产品用方法的难易程度(如何在反复试验之后在界面上执行给定的任务) - 衡量:时间量或点击次数(完成一项反复试验的任务, 以获得可记忆性的测量) ### 主观情感评估 ![](/2021-11-18-ux5/1.png) - 认知测量:心理负担 - 情感测量:情感体验 ## **相关资源** 1. [usability evaluation](http://www.usability.gov/what-and-why/usability-evaluation.html) 2. [15. Usability Evaluation](https://www.interaction-design.org/literature/book/the-encyclopedia-of-human-computer-interaction-2nd-ed/usability-evaluation) 3. [more than ease of use](http://www.wqusability.com/articles/more-than-ease-of-use.html) 4. [Measuring Usability: Are Effectiveness, Efficiency, and Satisfaction Really Correlated?](http://www.diku.dk/~kash/papers/CHI2000_froekjaer.pdf) 5. [usability 101|introduction to usability/](https://www.nngroup.com/articles/usability-101-introduction-to-usability/) ## **推荐教材** ### Trade Book - **The Design of Everyday Things** 2013 edition by Don Norman ### Text Books - **Interaction Design** - by Jennifer Preece, Helen Sharp and Yvonne Rogers (in alphabetical order). - There are four editions of this book. I believe any of the editions are a good purchase. This is the book I use in my undergraduate college course. - **Human Computer Interaction** - 2004 by Dix, Finlay, Abowd & Beale. - This is an advance text book. - **Understanding Your Users** - 2015 edition by Baxter, Courage & Caine. - I really like this book because it does what it claims, provides a "practical guide to User Research Methods ## **参考网站** - [What is Usability? | Usability Body of Knowledge](http://www.usabilitybok.org/what-is-usability) - [User interface design - Wikipedia](https://en.wikipedia.org/wiki/User_interface_design) - [User experience design - Wikipedia](https://en.wikipedia.org/wiki/User_experience_design) - [Usability First: Usability in Website and Software Design](http://www.usabilityfirst.com/) - [Methods](http://www.usability.gov/how-to-and-tools/methods/index.html)