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Chapter 4 Preliminary Investigation Project triggers Business process redesign (BPR) Strategic planning The preliminary investigation stage Gathering information.

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Presentation on theme: "Chapter 4 Preliminary Investigation Project triggers Business process redesign (BPR) Strategic planning The preliminary investigation stage Gathering information."— Presentation transcript:

1 Chapter 4 Preliminary Investigation Project triggers Business process redesign (BPR) Strategic planning The preliminary investigation stage Gathering information with JAD

2 Project Triggers “Push” User needs Technology “Pull” Strategic direction Strategic business plan Strategic plan for information resources

3 Business Process Redesign (BPR) An example of technology push Fig 4.1: Business Process Redesign

4 Business Process Redesign (BPR) Reengineering legacy code is an example Fig 4.2: Reengineering of Legacy Code

5 Strategic Planning Strategic business planning Fig 4.3: Influences on Strategic Business Plan Development

6 Strategic Planning Strategic business area planning Fig 4.4: Cooperation in Developing Strategic Plans for Business Areas

7 Strategic Planning Strategic planning for information resources Fig 4.5: Identifying the Information Resources Needed for Each Information System

8 Preliminary Investigation Stage Position in the SDLC Fig 4.6: Preliminary Investigation Phase Overview

9 Preliminary Investigation Stage Step 1: Perform enterprise analysis Use general systems model (elements, flows) Use environmental model (elements, flows) Table 4.1: Primary Environmental Resource Flows

10 Preliminary Investigation Stage Step 1: Perform enterprise analysis Example Fig 4.10: Overview of Enterprise Analysis

11 Preliminary Investigation Stage Step 1: Perform enterprise analysis Sources of information Internal documents Media Executive/secretary interviews

12 Preliminary Investigation Stage Step 2: Determine system constraints, objectives, goals, risk, and scope Constraints Organizational Resource Process Objectives and Goals Cost reduction Cost avoidance Increased revenues Improved decision making

13 Preliminary Investigation Stage Step 2: Determine system constraints, objectives, goals, risk, and scope A sample goal analysis Fig 4.11: A Goal Analysis Form

14 Preliminary Investigation Stage Step 2: Determine system constraints, objectives, goals, risk, and scope A sample risk evaluation Fig 4.13: A Project Risk Evaluation for Torres Insurance

15 Preliminary Investigation Stage Step 2: Determine system constraints, objectives, goals, risk, and scope Example of risk reduction strategies Fig 4.14: A Risk Reduction Strategies Table for Torres Insurance

16 Preliminary Investigation Stage Step 2: Determine system constraints, objectives, goals, risk, and scope Some risk reduction strategies for common risks Table 4.2: Possible Risk reduction Strategies

17 Preliminary Investigation Stage Step 2: Example of objectives, constraints, and scope for Torres Insurance Fig 4.12: Project Objectives, Constraints, and Scope

18 Preliminary Investigation Stage Step 3: Evaluate feasibility and obtain approval to proceed Technical (the system) Economic (the system and the project) Legal/ethical (the system) Operational (the system) Schedule (the project)

19 Preliminary Investigation Stage Step 4: Conduct JAD sessions to confirm initial functional requirements Key JAD ingredients: Facilitator, executive sponsor JAD steps 1.Planning 2.Conducting 3.Documenting

20 Gathering Information with JAD Documenting the results Fig 4.15: An Outline of a specification Document


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