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