JAD Advantages and Disadvantages : Compared with traditional methods, JAD is more expensive and can be cumbersome if the group is too large relative to the size of the project. Many companies find, however, that JAD allows key users to participate effectively in the requirements modeling process. Read: What is JAD and how are users involved? What are advantages and disadvantages of JAD? When users participate in the systems development process, they are more likely to feel a sense of ownership in the results, and support for the new system. When properly used, JAD can result in a more accurate statement of system requirements, a better understanding of common goals, and a stronger commitment to the success of the new system. More: RAPID APPLICATION DEVELOPMENT
What is JAD and how are users involved? What are advantages and disadvantages of JAD? Joint application development, is a popular fact finding technique that brings users into the development process as active participants. Users have a vital stake in the information system, and should participate fully in the development process. They are/should be involved at every stage of development. Advantages : Users can participate effectively in the requirements modeling stage. More accurate statement of systems requirements, better understanding of common goals and stronger commitment to success of the new project Disadvantages : More expensive, can be cumbersome if the group is too large for the project.
Examine the collapse of Han. What factors explain how this occurred? How influential in Han Dynasty on Chinese History? Answer: Hsiung Nu (aka Xiongnu) was a threat to the north, Wu had to build the Great Wall to protect empire. Han empire had to give a lot of supplies to Hsiung Nu in order to keep land unharmed. The government allied with wealthy land owners. Peasants had increasing economic pressure, which fueled the Yellow Turban rebellion. Generals stopped recognizing emperor as they became more powerful. Dynasty divided into three kingdoms (Wei, Wu, and Shu). After the Han dynasty, Confucianism became irrelevant, but Daoism and Buddhism were still popular. Han empire invented earthquake devise and anesthesia.
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