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1、Chapter 4 Identifying and Selecting Systems Development Projects,Modern Systems Analysisand Design,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,2,Chapter 4,Learning Objectives,Describe the project identification and selection process.Describe corporate strategic planning and in
2、formation systems planning process.Explain the relationship between corporate strategic planning and information systems planning.,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,3,Chapter 4,Learning Objectives (Cont.),Describe how information systems planning can be used to assis
3、t in identifying and selecting systems development projects.Analyze information systems planning matrices to determine affinity between information systems and IS projects and to forecast the impact of IS projects on business objectives.Describe the three classes of Internet electronic commerce appl
4、ications: Internet, intranets, and extranets.,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,4,Chapter 4,Identifying and Selecting Systems Development Projects,FIGURE 4-1Systems development life cycle withproject identification and selectionhighlighted,Copyright 2011 Pearson Educ
5、ation, Inc. Publishing as Prentice Hall,5,Chapter 4,The Process of Identifying and Selecting IS Development Projects,Identifying potential development projectsIdentification from a stakeholder group.Each stakeholder group brings their own perspective and motivation to the IS decision.,Copyright 2011
6、 Pearson Education, Inc. Publishing as Prentice Hall,6,Chapter 4,The Process of Identifying and Selecting IS Development Projects,Top-down source are projects identified by top management or by a diverse steering committee.Bottom-up source are project initiatives stemming from managers, business uni
7、ts, or the development group.The process varies substantially across organizations.,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,7,Chapter 4,The Process of Identifying and Selecting IS Development Projects (Cont.),Copyright 2011 Pearson Education, Inc. Publishing as Prentice Ha
8、ll,8,Chapter 4,The Process of Identifying and Selecting IS Development Projects (Cont.),Classifying and ranking IS development projectsUsing value chain analysis or other evaluation criteriaValue chain analysis: the process of analyzing an organizations activities for making products and/or services
9、 to determine where value is added and costs are incurred,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,9,Chapter 4,The Process of Identifying and Selecting IS Development Projects (Cont.),FIGURE 4-2Organizations can be thought of as avalue chain, transforming raw materialsinto
10、products for customers.,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,10,Chapter 4,The Process of Identifying and Selecting IS Development Projects (Cont.),Selecting IS development projectsBased on various factorsBoth short- and long-term projects consideredMost likely to achiev
11、e business objectives selectedIs a very important and ongoing activity,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,11,Chapter 4,The Process of Identifying and Selecting IS Development Projects (Cont.),FIGURE 4-3Project selection decisions must consider numerous factors and can
12、 have numerous outcomes.,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,12,Chapter 4,The Process of Identifying and Selecting IS Development Projects (Cont.),One method for deciding among different projects or alternative designs is:For each requirement or constraint: Score = wei
13、ght X ratingEach alternative: sum scores across requirements/constraints.Alternative with highest score wins.,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,The Process of Identifying and Selecting IS Development Projects (Cont.),13,Chapter 4,Copyright 2011 Pearson Education, Inc
14、. Publishing as Prentice Hall,14,Chapter 4,The Process of Identifying and Selecting IS Development Projects (Cont.),FIGURE 4-4Alternative projects and system designdecisions can be assisted using weightedmulticriteria analysis.,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,15,Ch
15、apter 4,Deliverables and Outcomes,Primary deliverable from the first part of the planning phase is a schedule of specific IS development projects.Outcome of the next part of the planning phase project initiation and planning is the assurance that careful consideration was given to project selection
16、and each project can help the organization reach its goals.,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,16,Chapter 4,Deliverables and Outcomes,Incremental commitment: a strategy in systems analysis and design in which the project is reviewed after each phase and continuation of the project is rejustified.,Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall,17,Chapter 4,Corporate and Information Systems Planning,
