2016软件开发方法论课件4文件.ppt

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * The increasing significance of the QA of websites General experience is that usability can make all the difference between success or failure of a site, thus is crucial for QA.一般的经验表明，网站的成功与失败，可用性起着至关重要的作用，因此可用性是质量保证的关键。 * The increasing significance of the QA of websites Website usability, one of the most crucial aspects of any e-business, however, sadly is treated with utter disregard.网站可用性是电子商务网站最重要的方面之一，但是却被完全忽视了 * The increasing significance of the QA of websites Despite the abundance of design recommendations (recipes, guidelines, etc.) website usability and accessibility continue to be pressing problems.尽管有大量的设计建议，但是网站可用性和可达性一直存在问题 * The increasing significance of the QA of websites Accessibility可达性 The usability of a product, service, environment or facility (website) by people with the widest range of capabilities. 产品、服务、环境或设备（网站）对不同能力的人所表现出的可用性 可以理解为能否被老人、孩子和有生理障碍的人正常使用 * The increasing significance of the QA of websites This current state is attributable mainly to the fact that many people who build website are trained in the technical aspects of site creation (e.g. HTML coding), but not trained in software ergonomics.造成这种现状的主要原因是许多建网站的人只接受过创建网站技术方面的训练，但是没有接受过软件人机工程学方面的训练 * The increasing significance of the QA of websites A recent 6000-person American study found that on average users wasted more than five hours a week frittering time away on their computers: waiting for programs to run, or help to arrive, or double checking printouts for accuracy and formatting. 花费在等待程序运行、等待帮助到达、检查打印输出等方面的时间，平均每个用户每周浪费的时间超过5小时 * The increasing significance of the QA of websites Another study conducted in England revealed that 70 per cent of people admitted to shouting, swearing at, or generally acting violently toward their computer. 70%的人承认对他们的计算机喊叫、诅咒、敲打等 * The increasing significance of the QA of websites Fighting with an unfriendly website needs extra effort and takes extra time. * The increasing sign