TAILIEUCHUNG - The Jumper Gate of Project Management Worksmart_3

Các cách rõ ràng nhất sẽ được thử nhiệm vụ nhiều lần và nhận được một ước tính feelAn có thể ing cho nó. Nhưng nếu bạn không có một tầng chỉ được thực hiện bởi thẻ tiện dụng, có thể bạn sẽ nghĩ về nó, hãy tưởng tượng bao lâu nó sẽ bắt đầu với, và cho tôi một câu trả lời. | 74 Fundamentals of Project Management Figure 6-4. Responsibility chart. Linear Responsibility Chart Project Date Issued Sheet Number of Manager Date Revised Revision No. File Task Descriptions CODES 1 ACTUAL RESPONSIBILITY 2 SUPPORT 3 MUST BE NOTIFIED BLANK NOT INVOLVED Estimating Time Costs and Resources Once the work is broken down you can estimate how long it will take. But how Suppose I ask you how long it will take to sort a standard deck of playing cards that has been thoroughly shuffled into numerical order by suit. How would you answer that question The most obvious way would be to try the task several times and get a feeling for it. But if you didn t have a deck of cards handy you would probably think about it imagine how long it would take and give me an answer. People generally give me answers ranging from two minutes to ten minutes. My tests indicate that about three minutes is average for most adults. Suppose however we gave the cards to a child about four or five years old. It might take a lot longer since the child would not be that familiar with the sequence in An estimate can be made only by starting with the assumption that a certain resource will be assigned. American Management Association I Using the Work Breakdown Structure to Plan a Project 75 which cards are ordered and perhaps not yet even that comfort- able with counting. So we must reach a very important conclusion You cannot do a time or cost estimate without considering who will actually perform the task. Second you must base the estimate on historical data or a mental model. Historical data are best. Generally we use average times to Parkinson s Law Work expands to fill the time allowed. plan projects. That is if it takes three minutes on average for adults to sort a deck of cards I would use three minutes as my es- timate of how long it will take during execution of my project. Naturally when I use averages in reality some tasks will take longer than the time

TỪ KHÓA LIÊN QUAN
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.