2. 1 Identifying Requirements Info Sources o Related systems v Similar systems v Predecessor systems √ Prototypes v Interfacing systems √ Existed subsystems
2.1 Identifying Requirements Info Sources o Related systems ✓ Similar systems ✓ Predecessor systems ✓ Prototypes ✓ Interfacing systems ✓ Existed subsystems
2. 1 Identifying Requirements Info Sources Interviews and discussions with potential users Marketing surveys and user questionnaires调查表 observing users at work Scenario analysis of user tasks Events (stimulus)and responses (for real time system)
2.1 Identifying Requirements Info Sources ➢ Interviews and discussions with potential users ➢ Marketing surveys and user questionnaires 调查表 ➢ Observing users at work ➢ Scenario analysis of user tasks ➢ Events (stimulus) and responses (for real time system)
2.2 Evaluate Requirements Info Sources Refered documents version is it latest? Avoid to use outdated source documents Refered documents are complete? The information sources are relevant to current product? Do you interview the right person? Why they are reluctant to provide information?
2.2 Evaluate Requirements Info Sources ➢ Refered documents version, is it latest? Avoid to use outdated source documents ➢ Refered documents are complete? ➢ The information sources are relevant to current product? ➢ Do you interview the right person? ➢ Why they are reluctant to provide information?
课程项目 课堂分组讨论 目的: (1)描述问题域 (2)确定该系统需求信息来 源
课程项目 课堂分组讨论 目的： （1）描述问题域 （2）确定该系统需求信息来 源
课程项 课堂分组论 要求: 1)对项目从问题域加以描述(关键点即可 2)指明已有信息和待挖掘信息并分类 3)对不确定的信息计划如何获取 4)确定信息来源可能的困难 5)每小组选一位代表 moderator加以陈述 6)将结果完整记录(记录关键点,课后整理) 7)小组讨论20分钟,每组陈述3~5分钟
课程项目 课堂分组讨论 要求： 1)对项目从问题域加以描述(关键点即可) 2)指明已有信息和待挖掘信息并分类 3)对不确定的信息计划如何获取 4)确定信息来源可能的困难 5)每小组选一位代表(moderator)加以陈述 6)将结果完整记录(记录关键点，课后整理) 7)小组讨论20分钟，每组陈述3~5分钟