Chapter 5 Problems and Exercises 1. One of the potential problems mentioned in the chapter with gathering information requirements by observing potential system users is that people may change their behavior when observed. What could you do to overcome this potential confounding factor in accurately determining information requirements? You should observe both atypical people and typical people. Observe in both normal and abnormal conditions. You should try to make the person feel comfortable. You could see them follow the procedures more accurately and not get a good picture of the real day in their life of work. Make sure you visit different employment sites to get a good overview of every work site. 2. Suppose you were asked to lead a JAD session. List ten guidelines you would follow in playing the proper role of a JAD session leader. 1. Define the objectives 2. Prepare and plan 3. Invite Proper users: Session leader, Users, Managers, Sponsor, System analysts, Scribe, IS Staff 4. Conduct the session and don’t be afraid to interrupt politely 5. Set ground rules 6. Move around, stand up, you will be in more control standing 7. If you get to far in to the weeds, time out the session and get back on track 8. Observe group interaction 9. Watch body language during discussions to sense defensive participants 10. Listen to the discussions, is it about an outside issued, capture it or mark it for later resolution.

Chapter 6 Problems and Exercises
8. Consider the DFD in Figure 6–20. List three errors (rule violations) on this DFD. P1 1.0-Process only has an input, processes can’t have only inputs Data cannot move directly from a source to a sink P2 1.0 Process has not output Sources must have noun labels, Data must have noun labels, Process must have verb label

9. Consider