# Running it – Go Projects

> Scrum or waterfall, acceptance, change requests, crises.

- [Agile vs Waterfall: How to Choose for Your Project](https://go-projects.de/en/running-the-project/agile-vs-waterfall/): Waterfall runs phases in sequence and fits projects with stable requirements that can be specified and contracted up front. Agile methods such as Scrum deliver working increments in cycles of a month or less and suit projects whose requirements only become clear through use. Many projects do best with a hybrid: frame and budget first, delivery in sprints.
- [Why Software Projects Fail: Causes and Early Warning Signs](https://go-projects.de/en/running-the-project/why-software-projects-fail/): Software projects rarely fail because of technology. They fail because of vague goals, scope that grows unnoticed, early estimates treated as commitments, missing business decision-makers and an unwillingness to stop in time. Large studies add a key insight: the average overrun is survivable, but roughly one project in six blows its budget by about 200 percent.
- [Change Request Process: Steps, Template and Impact Analysis](https://go-projects.de/en/running-the-project/change-request-process/): A change request process turns any proposed change to agreed scope into a written request, has the delivery team assess effort, cost, schedule and risk, and lets a named person approve, reject or defer it. Work starts only after approval. That keeps every budget or deadline shift traceable to a decision someone made deliberately.
- [User Acceptance Testing Checklist: Plan, Run, Sign Off](https://go-projects.de/en/running-the-project/user-acceptance-testing-checklist/): A user acceptance testing checklist confirms that entry criteria are met, real users test agreed scenarios with realistic data, every defect gets a severity and deadline, and a sign-off record states what was accepted, with which reservations. Prepare acceptance criteria before development starts, because UAT can only check what was agreed in writing.

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