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Chap 6 Establishing Requirement - Coggle Diagram
Chap 6 Establishing Requirement
Data gathering
Five keys issues
Setting goal
Identifying participants
relationship with participant
triangulation
pilot studies
Observation
Direct obs
Indirect Observation
studying documentation
Techniques in data gathering
Data recording
Notes+still camera
audio + photographs
video
Problems with data gathering
identify, involving stakeholders
comms between parties
domain knowledge distributed
Establishing Requirements
What user wants? need?
Functional
what system should do
Non functional
example : memory size, response time
Physical
social
organisational
user
scenarion, uses cases
task analysis
Data interpretation and analysis
starts after data gathering
example : class diagram, ERD
Quantitative
averages, percentages, graphical represenation
Qualititatives
recurring patters or themes
categorizing data