PERT chart | can show optimistic, likely and pessimistic estimates of time and effort | ![2001-08-30 14:56:59.0](facet.gif) |
contains nodes, each of which shows the elapsed time and effort estimates | ![2001-08-30 14:56:59.0](facet.gif) |
has definition A diagram showing the sequence in which tasks must be completed | ![2001-08-30 14:56:59.0](facet.gif) |
forms a graph, whose nodes are tasks, and whose arcs are dependencies | ![2001-08-30 14:56:59.0](facet.gif) |
has purpose to determine the critical path | ![2001-08-30 14:56:59.0](facet.gif) |
is a subtopic of 11.5 - Project Scheduling and Tracking | ![2001-08-30 14:56:59.0](facet.gif) |
is used in Program Evaluation Review Technique | ![2001-08-30 14:56:59.0](facet.gif) |
is used in project scheduling | ![2001-08-30 14:56:59.0](facet.gif) |
is a kind of diagram | ![2001-08-30 14:56:59.0](facet.gif) |
represents activities, each of which has one or more predecessors on which it depends, and one or more successors, which depend on it | ![2001-08-30 14:56:59.0](facet.gif) |
shows the sequence in which tasks must be completed | ![2001-08-30 14:56:59.0](facet.gif) |
diagram | has advantages it conveys or summarizes complex concepts or mechanisms more easily than other techniques | ![2001-08-30 14:55:19.0](facet.gif) |
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
| ![2001-08-30 14:55:19.0](facet.gif) |
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 | ![2001-08-30 14:55:19.0](facet.gif) |