Microsoft PowerPoint seg3101-ch2-3 ElicitationTechniques ppt

Joint Application Design (JAD)

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SEG3101 (Fall 2010). Requirements Elicitation Techniques
Joint Application Design (JAD)
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A more structured and intensive brainstorming approach
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Developed at IBM in the 1970s
• Lots of success stories
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"Structured brainstorming", IBM-style
• Full of structure, defined roles, forms to be filled out...
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Several activities and six (human) roles to be played
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JAD session may last few days
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The whole is more than the sum of its parts. The part is more 
than a fraction of the whole.
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[1] Aristotle (384 BC – 322 BC)
Elicitation Techniques Existing Systems Interviews
Brainstorming
Joint Application Design
Prototyping Use Cases

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SEG3101 (Fall 2010). Requirements Elicitation Techniques
Joint Application Design – Four Main Tenets
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Effective use of group dynamics
• Facilitated and directed group sessions to get common understanding 
and universal buy-in
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Use of visual aids
• To enhance understanding, e.g., props, prepared diagrams
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Defined process
• I.e., not a random hodgepodge
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Standardized forms for documenting results
Elicitation Techniques Existing Systems Interviews
Brainstorming
Joint Application Design
Prototyping Use Cases

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SEG3101 (Fall 2010). Requirements Elicitation Techniques
Joint Application Design – Applicability
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Used for making decisions on different aspects of a project
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Any process where consensus-based decision making across 
functional areas is required, e.g.,
• Planning a project
• Defining requirements
• Designing a solution
Elicitation Techniques Existing Systems Interviews
Brainstorming
Joint Application Design
Prototyping Use Cases

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SEG3101 (Fall 2010). Requirements Elicitation Techniques