Need urgent help- user stories in scrum

Explore the benefit of user stories in the product backlog and how the velocity metric is used within the project. Writing good user stories for the product backlog is a fundamental skill. 

The key method in Scrum of entering requirement-like statements in the form of User Stories and estimating the size of user stories, the size of tasks, and the velocity of sprints provides development artifacts to facilitate planning and discussion. 

Instructions:  

Explain the impact of User Stories. 

o How are good user stories written? 

o What does a good user story look like? 

o How is the effectiveness of a user story measured? 

 How does velocity add value in managing team performance and project outcomes? 

Need 3 pages in length excluding title and references with at least 3 references.  APA format required.  

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