Chapter 13: Managing Changes to the Software Project (Web design course)
Chapter 13: Managing Changes to the Software Project 277 and value, and document their acceptance or denial. This doesn t have to be something fancy or technical; it just has to be a process that works for your project. Performance measurement methods: Use these to produce your schedule variance and Schedule Performance Index (SPI), which you can find out more about in Chapter 14. The bottom line is that these numbers, your schedule variance and SPI, will tell you how big of a deal a particular change really is and will help you determine if you need to take corrective action. Variance analysis: Use this to determine whether where you planned to be in the schedule is the same as where you really are in the schedule. This will also help you in determine what (if any) corrective action to take. This is not an exhaustive list of all the tools and techniques that could possibly help you in managing schedule variances and controlling your schedule. This is just a list to get you started and point you in the direction of knowing that there are ways to monitor your schedule; you need to decide which methods are right for your project. Estimating impact of change on the project schedule When a stakeholder submits a change request using the change control system that you defined and communicated, you will need to determine the impact of the potential change. The requested change may impact the project costs, schedule, and/or scope, but for the benefit of this section we are just focusing on the impact to the project schedule. Instead of providing some fancy-schmancy formulas (although we do love formulas, especially the fancy-schmancy kind), we re just going to go over some practical advice based on our experience as project managers. When someone submits a change request, you would be wise to discuss each change with a change control board or some other body so that you can gain insight from others as to what impact this change could have. There may be others involved in the discussion with the CCB who can offer some wisdom as to other areas this change could affect. As you go through the proposed change requests, you may want to ask yourself (or the CCB) some of the following questions: What happens to the project if we don t implement this change? For example, if you don t implement the change, and something you need won t function, this change could have a higher priority than other changes.
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