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Project Scheduling Techniques: CPM, PERT, Gantt and Critical Chain

Updated on November 11, 2026 https://doitify.com/planning/scheduling-techniques/
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Summary

Scheduling techniques: CPM (deterministic), PERT (probabilistic), Gantt (visual), Critical Chain (buffered), sprint planning (iterative) — matched to uncertai

Quick answer

Scheduling techniques: CPM (deterministic), PERT (probabilistic), Gantt (visual), Critical Chain (buffered), sprint planning (iterative) — matched to uncertainty and frame.

CPM

Single durations, the critical path — the workhorse for known work.

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PERT

Three-point durations, expected+variance — for uncertain estimates.

Gantt

The visual — bars on a calendar; the universal communication form.

Critical Chain

Buffers pooled at the end — resource-aware scheduling that protects the date.

Sprint planning

Fixed iterations, pull from backlog — agile’s scheduling by cadence.

Bottom line

Scheduling techniques: CPM (deterministic), PERT (probabilistic), Gantt (visual), Critical Chain (buffered), sprint planning (iterative) — matched to uncertainty and frame.

FAQ

CPM+Gantt for most; PERT/CCM for uncertainty; sprints for agile — the method follows the work.

Gantt = calendar view; network = logic view — same data, different windows.

If this post was helpful, you might also enjoy How to Build a Project Wiki (Step-by-Step Guide) and Best Project Management Software for Small Business in 2026.

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