FullRIBAChangeSimpleJDI
other terms used

PRINCE2

Waterfall

Royal Institute of British Architects 

Agile

Scrum

Adaptive Fast-track
great for

legislative

fixed and immovable end products

contstruction projects only

software development

projects where there is flexibility in when and what will be delivered

projects where you know where you want to go but not sure how you are going to get there very simple projects that require little governance and no funding
sizing best for large scale projects suits large or small construction projects suits large or small projects best for small projects best for very small projects
approach highly structured highly structured highly structured less structured very loose structure
driven by Project Manager Project Manager self organised teams Project Manager Project Manager
number of stages 8 7 4 3 2
number of gates 4 +1 optional 5 4 +1 optional 4 3
scope detailed, agreed and signed off upfront detailed, agreed and signed of upfront value is agreed and scope remains flexible high level scope agreed upfront very simple scope, often 1 statement
planning linear, detailed and signed off at the start linear, detailed and signed off at the start cyclical, less detailed based on sprints cyclical, high level and signed off at start cyclical or linear and very high level
documentation detailed requirements and other documentation required detailed requirements and other documentation required less focus on documentation focus is on post project documentation no business case and minimal documentation
changes scope and plans are rigid and difficult to make changes once started scope and plans are rigid and difficult to make changes once started highly flexible scope changes difficult to make once started; plans are highly flexible no business case means no changes 
knowledge required structured training and experience required structured training and experience required structured training and experience required little training and no experience requried no training or experience required
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