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Decision Support And Business Intelligence Systems 9th Edition Dursun Delen Efraim Turban, Ramesh Sharda - Solutions
2. Define efficiency and effectiveness, and compare and contrast the two.
1. Why is intuition still an important aspect of decision making?
2. Describe how new technologies can provide decision-making support.
1. Describe how DSS/BI technologies and tools can aid in each phase of decision making.
2. How can a DSS support the implementation of a decision?
1. Define implementation.
3. How can sensitivity analysis help in the choice phase?
2. Why do some people claim that the choice phase is the point in time when a decision is really made?
1. Explain the difference between a principle of choice and the actual choice phase of decision making.
6. Some “errors” in decision making can be attributed to the notion of decision making from the gut. Explain what is meant by this and how such errors can happen.
5. Define scenario. How is a scenario used in decision making?
4. Why do people exhibit bounded rationality when solving problems?
3. Define rational decision making. What does it really mean to be a rational decision maker?
2. Compare the normative and descriptive approaches to decision making.
1. Define optimization and contrast it with suboptimization.
3. Find the alternative with the lowest cost (or smallest amount of other resources) that will meet an acceptable level of goals. For example, if your task is to select hardware for an intranet with a minimum bandwidth, which alternative will accomplish this goal at the least cost?
2. Find the alternative with the highest ratio of goal attainment to cost (e.g., profit per dollar invested) or maximize productivity.
1. Get the highest level of goal attainment from a given set of resources. For example, which alternative will yield the maximum profit from an investment of $10 million?
4. Why is establishing problem ownership so important in the decision-making process?
3. What is meant by problem decomposition?
2. Why is it important to classify a problem?
1. What is the difference between a problem and its symptoms?
3. What can cause a problem to exist in decision making?
2. Why is a fifth phase, evaluation, not necessary?
1. List and briefly describe Simon’s four phases of decision making.
4. How can modern IT tools help synthesize qualitative and quantitative factors in decision making?
3. How can mental models be utilized in decision making involving many qualitative factors?
2. How can mathematical models provide the benefits listed in this section?
1. Describe the different categories of models.
5. Define decision style and describe why it is important to consider in the decision-making process.
4. Compare decision making and problem solving. Determine whether it makes sense to distinguish between the two.
3. Identify similarities and differences between individual and group decision making.
2. Why is decision making so complex in today’s business environment?
1. What are the various aspects of decision making?
3. What lessons should be kept in mind for successful model implementation?
2. What guidelines can be learned from this vignette about developing DSS?
1. What are some of the key questions to be asked in supporting decision making through DSS?
6. Understand the systems approach
5. Learn how DSS support for decision making can be provided in practice
4. Differentiate between the concepts of making a choice and establishing a principle of choice
3. Recognize the concepts of rationality and bounded rationality and how they relate to decision making
5. What can we learn from this case?
4. What benefits are being derived from this initiative?
3. List the tools used by Vodafone’s applications.
2. How did it address these issues?
1. What were the challenges for Vodafone New Zealand?
10. Go to oracle.com and click the Hyperion link under Applications. Determine what the company’s major products are. Relate these to the support technologies cited in this chapter.
9. Go to microstrategy.com. Find information on the five styles of BI. Prepare a summary table for each style.
8. Go to oracle.com. Check out its BI offerings. How do Oracle’s BI offerings relate to its ERP software?
7. Go to microsoft.com. Examine its BI offerings.
6. Go to cognos.com and businessobjects.com. Compare the capabilities of the two companies’ BI products in a report.
5. Go to intelligententerprise.com. For each topic cited in this chapter, find some interesting developments reported on the site, and prepare a report.
4. Go to sap.com and oracle.com. Find information on how ERP software helps decision makers. In addition, examine how these software products use Web technology and the Web itself. Write a report based on your findings.
3. Go to fico.com. Use the information there to identify five problems in different industries and five problems in different functional areas that can be supported by ADS.
2. Explore the public areas of dssresources.com. Prepare a list of its major available resources. You might want to refer to this site as you work through the book.
1. Search the Internet for material regarding the work of managers, the need for computerized support, and the role DSS play in providing such support. What kind of references to consulting firms, academic departments, and programs do you find? What major areas are represented?Select five sites
4. Go to fico.com, ilog.com, and pega.com. View the demos at these sites. Prepare a list of ADS by industry and by functional area. Specify what types of decisions are automated.
3. Find information on the proactive use of computers versus transaction processing systems (TPS) to support ad hoc decisions. Each member of the group should choose an application in a different industry (e.g., retail, banking, insurance, food). Be sure to include the impacts of the Web/Internet.
2. Design a computerized system for a brokerage house that trades securities, conducts research on companies, and provides information and advice to customers (such as “buy,” “sell,” and “hold”). In your design, clearly distinguish the tools you plan to use. Be sure to discuss input and
1. Write a 5- to 10-page report describing how your company or a company you are familiar with currently uses computers and information systems, including Web technologies, in decision support. In light of the material in this chapter, describe how a manager could use such support systems if they
3. Go to teradatastudentnetwork.com and find the paper titled “Data Warehousing Supports Corporate Strategy at First American Corporation” (by Watson, Wixom, and Goodhue). Read the paper and answer the following questions:a. What were the drivers for the DW/BI project in the company?b. What
2. Enter the TUN site and select “cases, projects and assignments.”Then select the case study: “Harrah’s High Payoff from Customer Information.” Answer the following questions about this case:a. What information does the data mining generate?b. How is this information helpful to
1. Go to teradatastudentnetwork.com. Using the registration your instructor provides, log on and learn the content of the site. Prepare a list of all materials available there. You will receive assignments related to this site.Prepare a list of 20 items in the site that you think could be
8. Distinguish BI from DSS.
7. Discuss the importance of ADS.
6. Discuss how a wireless system can improve decision making.
5. Which organizational responses can be considered reactive and which can be considered proactive?
4. Compare and contrast MS with ADS.
3. Observe an organization with which you are familiar. List three decisions it makes in each of the following categories:strategic planning, management control (tactical planning), and operational planning and control.
2. Survey the literature from the past 6 months to find one application each for DSS, BI, and intelligent systems.Summarize the applications on one page and submit it with the exact sources.
1. Give examples for the content of each cell in Figure 1.2.
3. What is a hybrid system? What are its benefits?
2. In what ways can the Web facilitate the use of these tools?
1. List the nine major categories of decision support tools.
4. Explain how decision making can be improved by changing an element of a work system.
3. List the nine elements of a work system.
2. Define work system.
1. What is Alter’s definition of decision support ?
5. Define MSS.
4. What are the major similarities and differences of DSS and BI?
3. List and describe the major tangible and intangible benefits of BI.
2. List and describe the major components of BI.
1. Define BI.
4. How is the term DSS used in the academic world?
3. Describe the architecture of DSS.
2. Describe DSS as an umbrella term.
1. Provide two definitions of DSS.
6. How can computers provide support to semistructured and unstructured decisions?
5. Define automated decision systems (ADS).
4. How can computers provide support for making structured decisions?
3. What are the nine cells of the decision framework? Explain what each is for.
2. Define operational control, managerial control, and strategic planning. Provide two examples of each.
1. What are structured, unstructured, and semistructured decisions? Provide two examples of each.
4. Why is the Web considered so important for decision support?
3. How can a computer help overcome the cognitive limits of humans?
2. List some capabilities of computing that can facilitate managerial decision making.
1. How have the capabilities of computing evolved over time?
3. Describe the four steps managers take in making a decision.
2. Why have some argued that management is the same as decision making?
1. Describe the three major managerial roles, and list some of the specific activities in each.
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