| PERT chart | can show optimistic, likely and pessimistic estimates of time and effort |  |
| contains nodes, each of which shows the elapsed time and effort estimates | |
| has definition A diagram showing the sequence in which tasks must be completed | |
| forms a graph, whose nodes are tasks, and whose arcs are dependencies | |
| has purpose to determine the critical path | |
| is a subtopic of 11.5 - Project Scheduling and Tracking | |
| is used in Program Evaluation Review Technique | |
| is used in project scheduling | |
| is a kind of diagram | |
| represents activities, each of which has one or more predecessors on which it depends, and one or more successors, which depend on it | |
| shows the sequence in which tasks must be completed | |
| diagram | has advantages it conveys or summarizes complex concepts or mechanisms more easily than other techniques | |
has problems - can be hard for users to interact with or interpret
- not usable by blind people
- it can be expensive to program diagram drawing software
| |
| should have a label if its meaning is not obvious, using a caption or pop-up label that appears when the user moves the mouse over it | |
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