1. Joint Application Development (JAD)
Lesson 3
Joint Application Development (JAD)

2. Outlines JAD overview JAD participants JAD stages JAD implementation
JAD deliverables
Advantages vs. disadvantages

3. Overview of JAD
Involves the client or end user in the design and development
Allows the analyst to accomplish requirements analysis and design the user interface with the users in a group setting

4. JAD Participants & Roles
IT staff would (in dev. process):-
Collect information from users
Define system requirements
Construct the new system
IT staff might ask users (in process stage):-
Review the design,
Offer comments,
Submit changes

5. JAD Participants & Roles
A (JAD) team usually meets over a period of days or weeks in special conference room or at an off-site location
Analyze the existing system, obtain user input and expectations, and document user requirements for the new system

6. JAD Participants & Roles
Project leader
Top management
Managers
Users
Systems analysts and other IT staff members
Recorder

7. JAD Participants & Roles
Project leader
Project leader develop an agenda, acts as facilitators, and leads the JAD session
Top management
Provide enterprise level authorization and support for the project
Managers
Users
Systems analysts and other IT staff members
Recorder

8. JAD Participants & Roles
Managers
Provide department level support for the project and understanding of how the project must support business functions and requirements
Users
Provide operational level input on current operations, desired changes, input and output requirements, user interface issues, and how the project will support day-to-day tasks
Systems analysts and other IT staff members
Recorder

9. JAD Participants & Roles
Systems analysts and other IT staff members
Provide technical assistance and resources for JAD team members on issues such as security, backup, hardware, software, and network capability
Recorder
Documents results of JAD sessions and work with system analysts to build system models and develop CASE tool documentation

10. JAD Session Preparing for the JAD Sessions
Time commitment – ½ day to several weeks
Strong management support is needed to release key participants from their usual responsibilities
Careful planning is essential

11. JAD Stages
Plan
Customize
Workshop
Wrap-up
Design

12. JAD Implementation
Presentation Layer
Logic Layer
Data Layer

13. JAD Deliverables Introduction Executive Summary
Project purpose
Busines objective
Scope of solution
Assumptions & Constraints

14. JAD Diagram

15. JAD Deliverables Technology Framework High-level Model
Process
Data
System interfaces
JAD system design
Scope
Estimates
Resources (schedule)

16. JAD Advantages Allows key users to participate effectively
When properly used, JAD can result in a more accurate statement of system requirements, a better understanding of common goals, and a stronger commitment to the success of the new system

17. JAD Disadvantages
More expensive and can be cumbersome if the group is too large relative to the size of the project