Project Management

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The theory of the restriction, of the golden triangle, is applied to Agile projects?

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Jose Luis Gonzalez Rugel Presidente Grupo Gonzalez - Program Manager - Docente- Consultor - ATP Trainner| Dipromacom Guayaquil, Guayas, Ecuador
Within the agile projects (scrum framework), the theory of restriction is applicable: "When one variable of the project moves, the others also move" or does that theory no longer apply?
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Joshua Render Product Owner| Cognizant Harrisville, Ny, United States
It applies still - but the idea for Scrum is to have Time, cost, and quality fixed - in order to do that scope may need to be adjusted. If you are running short on time, you hack part of your scope off.
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Sergio Luis Conte Helping to create solutions for everyone| Worldwide based Organizations Buenos Aires, Argentina
Scrum is a framework then it does not prescribe about "the how". Then, you can fill it up with the methods and techniques that best fit for your organization. With that said, I am apply Theory of Restrictions using into Agile environments using a method based on Agile or not from 1998 up to date and it works. Just to comment, what you stated about the movements of variables is not related to this theory only must be taken into account from the point of view of systemic theory which is critical to be successful when organizations like to work in the Agile way.
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Girija Ramakrishnan Chennai, Tamilnadu, India
Jose -

In Agile projects the triangle of Triple Constraints is turned upside down. Cost and Schedule are fixed but Scope keeps changing. Scope is prioritised and are delivered through defined Iterations.
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Milind Patil Bangalore, Karnataka, India
Yes. It is applicable in agile as well. In the context for Time,cost and scope, two must be sacrificed to achieve one. In agile if time and cost boundaries are set and if project consumes them in addressing scope(of course accommodating changes in baseline scope) it is acceptable because we addressed business need. At that point of management/sponsors should allocate additional budget and time to address pending backlog if there.
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Rami Kaibni
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Senior Projects Manager | Field & Marten Associates New Westminster, British Columbia, Canada
It does apply but The Inverted Triangle applies to Agile where Scope is variable and Time + Cost are fixed. Yet, if scope changes significantly, then time and cost will change too most of the time.

In tranditional project management, Scope is fixed and Time + Cost are the variables.

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