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Decision Support And Business Intelligence Systems 9th Edition Dursun Delen Efraim Turban, Ramesh Sharda - Solutions
14. Why do managers use intermediaries? Will they continue to use them in the future? Why or why not? Would you?Why or why not?
13. Why might the user be considered a component of a DSS?
12. Why does a DSS need a DBMS, a model management system, and a user interface, but not necessarily a knowledge-based management system?
11. Why was DSS the first MIS ever defined as requiring a computer?
10. Show the similarities between DBMS and MBMS. What is common to both and why? What are the differences and why?
9. Review the models described in the situations described in the opening vignette, the End of Chapter Application Case, and the other Application Cases for this chapter. Compare and contrast what they are and how they are used. Explain how this illustrates the difficulty in model management as
8. Provide a list of possible strategic, tactical, and operational models for a university, a restaurant, and a chemical plant.
7. Why is data security an important database issue?
6. Why is scalability an important database issue?
5. Why is it so important to have a single version of the truth when it comes to data integration for decision making?Give or find an example of when not having a single version of the truth in believed data integration led to problems for an organization.
4. Why is it so important for an organization to make data quality a key organizational issue?
3. Explain how poor data quality can lead to bad decisions.
2. List some internal data and external data that could be found in a DSS for a university’s admissions office.
1. Review the major characteristics and capabilities of DSS.How do each of them relate to the major components of DSS?
3. Why are most users typically very hands-on in their DSS usage patterns?
2. List and describe the four types of DSS intermediaries.
1. List and describe the two broad classes of DSS users.
4. List the reasons the Web is utilized for DSS development and deployment.
3. List the potential hardware options for DSS implementation.
2. List potential PCs and mobile devices that decision makers could use to connect to a DSS.
1. Why are DSS hardware and software choices often based on a firm’s existing systems?
6. List four new developments in DSS, other than user interface developments.
5. List four new developments in user interfaces.
4. Describe why Web tools are typically used for DSS interfaces.
3. What are the major functions of a UIMS?
2. Describe the user interface process.
1. What is the major purpose of a user interface system?
2. What capabilities does a knowledge-based management system provide to DSS either in total or to each component?
1. List the various knowledge-based tools that can comprise a knowledge-based management system.
5. How can a knowledge component assist in model selection?
4. Why is model selection for DSS difficult?
3. Compare the features and structure of an MBMS to those of a DBMS.
2. List some of the major functions of an MBMS.
1. Models are classified as strategic, tactical, or operational. What is the purpose of such a classification?Give an example of each type of model.
7. What is the function of a directory?
6. What is the function of a query facility?
5. What is extraction?
4. What are the major functions (capabilities) of a DBMS?
3. Describe the components of a DBMS: the query facility, the directory, and the data.
2. Describe the similarities and differences among internal, external, and private data.
1. Why does a DSS generally include its own database?
4. Describe the basic structure of a DSS and its components.
3. How can a knowledge-based component help each of the other DSS components?
2. Briefly explain how the Web is utilized in each major component of a DSS.
1. List the major components of DSS and briefly define each.
5. Define the term ready-made DSS.
4. List the capabilities of institutional DSS and ad hoc DSS.
3. Compare Holsapple and Whinston’s classification with the AIS SIGDSS classification.
2. Define document-driven DSS.
1. List the DSS classifications of the AIS SIGDSS.
4. Why is it so important to include a model in a DSS?
3. What kinds of DSS can end users develop in spreadsheets?
2. Describe how providing support to a workgroup is different from providing support to group work. Explain why it is important to differentiate these concepts.
1. List the key characteristics and capabilities of DSS.
3. Explain how the system described in Application Case 3.1 is a DSS. Use the definition from question 2.
2. Give your own definition of DSS. Compare it to the definitions in question 1.
1. Why do people attempt to narrow the definition of DSS?
3. Models play a key role in DSS. Why? Explain how models exist in spreadsheet packages such as Excel.
2. Explain how subjective data can be utilized in a DSS in light of the situations described in the opening vignette.
1. List and describe the three major components of DSS.
5. Why is this model a good example of a DSS?
4. Besides the parameters considered by the modelers in this case study, what other situations could a staffing projection model include?
3. What other modeling tools could be used for developing a model?
2. What types of decision parameters were used in making this decision?
1. Why would this decision involve senior executives in an organization?
4. What issues will you have to keep in mind as you move your proposed solutions to implementation?The U.S. financial markets have experienced a storm unseen since the Great Depression (some say worse than that). Losses in the financial sector wiped out much of the liquidity in the U.S. credit
3. What can you recommend about the crisis now? Apply design and choice phase principles to guide you.The U.S. financial markets have experienced a storm unseen since the Great Depression (some say worse than that). Losses in the financial sector wiped out much of the liquidity in the U.S. credit
2. Given what has already taken place, reapply the intelligence phase principles to determine the current state of the problem.The U.S. financial markets have experienced a storm unseen since the Great Depression (some say worse than that). Losses in the financial sector wiped out much of the
1. Apply principles of the intelligence phase of Simon’s decision-making model, and discuss major problems that led to the subprime mortgage crisis.The U.S. financial markets have experienced a storm unseen since the Great Depression (some say worse than that). Losses in the financial sector
4. Access a DSS/BI software vendor’s Web site (select one or use the one your instructor selects). Select a success story of the software or use the one your instructor selects.Describe in detail what decisions were to be made and what process was actually followed. Be sure to describe how
3. Search the Internet for companies and organizations that provide computerized support for managerial decision making. (Hint: Search for business intelligence.) Take a sample of five software vendors and characterize their products, based on specific functional market area (e.g., marketing,
2. Many colleges and universities post their course catalogs, course descriptions, and syllabi on the Web. Examine a sample of 10 courses in at least 4 different disciplines within a business school. Compare their topical material and identify how each course relates to decision making.What is the
1. Search the Internet for material on managerial decision making. What general classes of materials can you identify in a sample of 10 sites?
5. Have everyone in your group individually make a list of the factors they considered when selecting a place to live (or alternatively, the program of study in which you are enrolled) and approximately how much weight(percentage) they individually put on each factor.Determine which and how many of
4. Watch the movie The Bachelor (1999), starring Chris O’Donnell. In it, a man must marry by a deadline to inherit $100 million. There are many alternatives, but the criteria are quite fuzzy. Watch the scene toward the end of the movie where about 1,000 brides converge on a church and want to
3. Watch the movie 12 Angry Men (1957), starring Henry Fonda. Comment on the group decision-making process that the jury followed. Explain how this is a demonstration of group decision making. Does it fit into Simon’s four-phase model? Explain why or why not, citing examples from the movie.
2. Develop a cognitive map of the decision-making problem of selecting a job or a university program, using Decision Explorer from Banxia Software, Ltd. (banxia.com).Describe your thought processes and how you developed the map.
1. Interview a person who has recently been involved in making a business decision. Try to identify the following:a. The scope of the problem solved.b. The people involved in the decision. (Explicitly identify the problem owners.)c. Simon’s phases. (You may have to ask specific questions, such as
10. According to H. L. Mencken, “There is always an easy solution to every human problem—neat, plausible and wrong” (“The Divine Afflatus,” New York Evening Mail, Nov. 16, 1917; later published in Prejudices: Second Series, 1920; and A Mencken Chrestomathy, 1949). Explain this statement
9. Stories about suboptimization issues abound in some formerly centrally planned national economies in which the output of factories was measured by seemingly useful measures, with unexpected and disastrous results.Specifically, a ball-bearing factory’s output was measured by the total weight of
8. You are about to buy a car. What criteria are important?What specific choices do you have, and how will you limit your choices? Go to Expert Choice, Inc. (expertchoice.com) to learn about the AHP and structure your problem within its framework. Does this make intuitive sense?Explain why it does
7. When you were looking for a college program, somehow you were able to decide on going where you are now.Examine your decision-making process and describe it in a report. Explain how you eliminated the many thousands of programs around the world and then in your own country or region. What
6. Consider a situation in which you have a preference about where you go to college: You want to be not too far away from home and not too close. Why might this situation arise? Explain how this situation fits with rational decision-making behavior.
5. Comment on Simon’s (1977) philosophy that managerial decision making is synonymous with the whole process of management. Does this make sense? Explain. Use a real-world example in your explanation.
4. According to Bennis and Nanus (2003), “Managers are people who do things right and leaders are people who do the right thing. The difference may be summarized as activities of vision and judgment—effectiveness—versus activities of mastering routines—efficiency.” (Also see Baron and
3. Early in the chapter, we mention the Great Wall of China as a major blunder. Investigate it. Study the history of the Great Wall. Look up why it was constructed, how it was done, how long it took, and similar facts. Why did it fail to meet its primary objective? Identify four other equally major
2. Most companies and organizations have downloadable demos or trial versions of their software products on the Web so that you can copy and try them out on your own computer. Others have online demos. Find one that provides decision support, try it out, and write a short report about it. Include
1. Choose a case at TSN or use the case that your instructor chooses. Describe in detail what decisions were to be made in the case and what process was actually followed.Be sure to describe how technology assisted or hindered the decision-making process and what the decision’s impacts were.
14. Most managers are capable of using the telephone without understanding or even considering the electrical and magnetic theories involved. Why is it necessary for managers to understand MSS tools to use them wisely?
13. Some experts believe that the major contribution of DSS is to the implementation of a decision. Why is this so?
12. Explain, through an example, the support given to decision makers by computers in each phase of the decision process.
11. The use of scenarios is popular in computerized decision making. Why? For what types of decisions is this technique most appropriate?
10. You are about to buy a car. Using Simon’s four-phase model, describe your activities at each step.
9. You are about to sell your car. What principles of choice are you most likely to use in deciding whether to offer or reject offers? Explain.
8. Your company is considering opening a branch in China.List typical activities in each phase of the decision (intelligence, design, choice, implementation) of whether to open a branch.
7. Why should all information system development projects focus on some aspect of decision making in practice?
6. Despite the advances in ADM methods and tools, why should we still insist that a human being be responsible for every decision?
5. Even though implementation of a decision involves change, and change management is very difficult, explain how change management has not changed very much in thousands of years. Use specific examples throughout history.
4. What are some of the measures of effectiveness in a toy manufacturing plant, a restaurant, an educational institution, and the U.S. Congress?
3. Why is it important to focus on the effectiveness of a decision, not necessarily the efficiency of making a decision?
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