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Lean Principles - Coggle Diagram
Lean Principles
Lean Idea #1: Active Business Participation
5 characteristic combination of Business user and IT project team
Collaborative
Representative of users in their line function
Authorized to make decisions
Committed to delivering business value
Knowledgeable
Communication channels between IT and line functions when business users are in the project team because they are the channel
Lean #2: Short iterations
To do the project in a series of iterative sprints of 2-6 weeks each
Each iteration hands users a crude but functioning system with small subset or functionality
Integrally engage business users in a two-way conversation
Marathon
2 ways short iteration increase an IT project's likelihood of delivering business benefits
Clear misunderstanding earlier when there are cheaper to fix
Uncovers latent needs
Lean Idea#3: Less Code
to reduce the amount of software code in system
The less code principle bakes quality and curbs in 2 ways
Software with more code is buggier
average programmers make 10-15 ,mistakes every 100 lines of code
bug fixing is 100 times costlier after development
Lesser code lowers upfront development costs
implemented using 80/20 rule and short iterations
run between $15 to $40 per line of code