TAILIEUCHUNG - Effective Project Management Traditional, Adaptive, Extreme Third Edition phần 4

Điều kiện thị trường năng động. Sự cạnh tranh có thể giới thiệu hoặc công bố một phiên bản mới sắp tới của sản phẩm của mình. Quản lý của bạn có thể quyết định rằng để thị trường trước khi đối thủ cạnh tranh là cần thiết. Công việc của bạn là quản lý dự án là tìm hiểu làm thế nào những thay đổi này có thể được cung cấp chỗ ở. | Estimating Duration Resource Requirements and Cost 111 resource assignments capability on activities more than two or three times in a project you may need to take your WBS to a lower level of detail. In doing that the duration will be shorter and the resources can work in a contiguous manner for the entire activity. Estimating Cost Now that we have estimated activity duration and resource requirements we have the data we need to establish the cost of the project. This is our first look at the dollars involved in doing the project. We know the resources that will be required and the number of hours or volume of resources needed. Unit cost data can be applied to the amount of resource required to estimate cost. Resource Planning There are several questions you need to consider concerning the resources for your project. As we have pointed out adding resources doesn t necessarily mean that you will shorten the time needed for various activities. Adding too many people can actually add time to the project. Another factor to consider deals with the skill level of the resources. Let s say that you are going to have a team of developers work on the application. When you are planning resources you have to know the skill level of the potential resources. You may have to trade money for time. That means you may be able to get a lower cost by using a junior developer but it s likely that you will also find the process takes longer. Knowing the skill sets of the available people and taking that into account when doing scheduling is a major part of resource planning. Another issue to consider is that of using part-time people. At first glance using part-time people looks like a good idea. It appears you can make good decisions concerning their schedules and that you are getting extremely efficient use of their time. However this isn t reality particularly if the part-time people are coders. Development is a mental task you re working with knowledge workers. You can t turn on .

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