tailieunhanh - ch02

Project Selection and analysis and design, . Dennis, wixom, and M. Roth © 2015 John Wiley & Sons. All Rights 1Learning Objectivesq Explain how projects are selected in some organizationsq Describe various approaches to the SDLC that can be used to. structure a development projectq Explain how to select a project methodology based on project. characteristicsq Become familiar with project estimationq Be able to create a project work planq Describe project staffing issues and concernsq Describe and apply techniques to coordinate and manage the. projectq Explain how to manageWiley &on the project © 2015 John. risk Sons. All Rights 2Project specific projects are chosen. © 2015 John Wiley & Sons. All Rights Reserved. 3Project Selection Issuesq Ways to Characterize Projects. o Size. o Cost. o Purpose. o Length. o Risk. o Scope. o Economic Value. © 2015 John Wiley & Sons. All Rights 4Project Selection Issuesq Approval committee uses the system request and. the feasibility study. o Project portfolio perspective – how does the project fit. within the entire portfolio of projects?. o Trade-offs needed: select projects to form a balanced. project portfolio. o Viable projects may be rejected or deferred due to. project portfolio issues © 2015 John Wiley & Sons. All Rights 5Project Portfolio Managementq PPM software collects and manages information. about all projects – on-going and awaiting approvalq Companies stay up to date on projects and adapt. to changing conditionsq Features: project prioritization, employee allocation,. real-time project monitoring, flagging cost and time. variances, monitoring economic feasibility. © 2015 John Wiley & Sons. All Rights 6Creating the Project Planq Once a project is approved, the project. manager must:. o Select the best project methodology. o Develop a project work plan. o Establish a staffing plan. o Create ways to coordinate and control the project. © 2015 John Wiley & Sons. All Rights 7Creating the Project a plan for a successful result. © 2015 John Wiley & Sons. All Rights Reserved. 8Selecting a Project Methodologyq Methodology: A formalized approach to. implementing the SDLC. o A series of steps to perform and deliverables to Methodology Sources. o Internally developed by organizations. o Consulting firms. o Software vendors. o Government agencies. © 2015 John Wiley & Sons. All Rights 9Selecting a Project Methodology These factors influence the best choice:. o Clarity of User Requirements. o Familiarity with Technology. o System Complexity. o System Reliability. o Time Frame. o Schedule Visibility. © 2015 John Wiley & Sons. All Rights 10Structured Systems Developmentq Based upon Assumes a project phase is complete before moving to . the next phase. o Waterfall Development. o Parallel Development. o V­ Goal – doing each phase thoroughly before moving . forward ensures correct and high­quality outcomes. © 2015 John Wiley & Sons. All Rights Reserved. Move from phase on. Emphasis. deliverables from one. phase flowing into the. next phase. © 2015 John Wiley & Sons. All Rights 12Waterfall Methodology AssessmentStrengths weaknesses System requirements identified long Must wait a long time before there is. before construction begins “visible” evidence of the new system. R