6.3 Expert judgement
6.3.1 Using expert judgement
Where do you start if you want to produce reasonable estimates? Although estimating is treated as a separate, isolated, topic in project management and information systems development, it in fact depends on the completion of other tasks that provide information for estimates. For a start, you need to know:
What activities are going to be carried out during the course of the project?
How much work is going to have to be carried out by these activities?
For example, to work out how long it will take to install some software on all the work-stations in an organization, we need to know approximately how long it takes to install the software on a single work-station and how many work-stations there ...
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