OE1-4.4 Project & Time Management
You can organize, plan and control a project using CPM and PERT, account for the human aspects of project management, and apply time management approaches including the time management matrix.
CPM and PERT differ in one thing that matters: CPM assumes you know the durations, PERT admits you do not and models them probabilistically — so choose by how novel the work is. The critical path is the concept to internalise, because it tells you which delays cost you and which do not. The time management matrix's urgent-versus-important split is the unit's most portable idea, and 'urgency addiction' names the failure mode of living entirely in the urgent quadrant.
Work through these
Project organization during the construction phase
Organising the work when something is actually being built. It is the setting the two scheduling methods below were developed for.
Project planning and control using CPM
The scheduling method that assumes known durations. Drawing the network by hand once is what makes the critical path idea concrete.
Project planning and control using PERT
The variant that handles uncertain durations by using three estimates. Comparing the two shows what the extra effort buys.
The critical path and float
The longest path through the network, and the slack everywhere else. Knowing where the float is tells you where a delay is free and where it is not.
Human aspects of project management
The part the network diagram does not show, which is that people do the work. It is the item most likely to be skipped and most likely to matter.
Approaches to time management and their strengths and weaknesses
Managing your own time rather than a project's, with the honest limitations of each approach. No system survives contact with a genuinely overloaded week.
The time management matrix
Sorting work by urgency against importance, which is the most useful single idea in this topic. The important and not urgent quadrant is the one that gets squeezed out.
Urgency addiction
The habit of treating urgency as a proxy for value, which the matrix above makes visible. Recognising it in yourself is the point of the item.
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