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This Concept Map, created with IHMC CmapTools, has information related to: Other Requirements Gathering Techniques, could change people's behavior particularly when observation period is short, Observation is about watching how work is being performed or system is being used, watching how work is being performed or system is being used disadvantage could change people's behavior, what is being used often, what is not being used represents the informal system that the organization uses, Document Analysis involves Reviewing existing documentation, Documentation about the existing system limited by Documents available, Documents available represent the formal system that the organization uses or is intended to be used, Reviewing existing documentation such as Forms, reports used, Forms, reports used indicates what is being used often, what is not being used, Document Analysis helps Understand existing system, the informal system that the organization uses gap Indicates changes that need to be implemented in the new system, Other Requirements- Gathering Techniques such as Document Analysis, Other Requirements- Gathering Techniques such as Observation, watching how work is being performed or system is being used advantage closer to reality, Reviewing existing documentation such as Documentation about the existing system, Observation complements Interviews, the formal system that the organization uses or is intended to be used gap Indicates changes that need to be implemented in the new system, closer to reality provides better understanding to the analyst about how the system is actually being used, watching how work is being performed or system is being used should be done such that participants don't feel uncomfortable about being observed, watching how work is being performed or system is being used should be done unobtrusively