The project 'triple constraint' (iron triangle) describes competing demands a manager must balance. Which set is correct?
Explanation
The classic triple constraint is scope, time (schedule), and cost (budget); changing one typically forces trade-offs in the others, and quality is influenced by how the three are managed. The people/process/technology, safety/morale/reputation, and risk/reward/resources sets belong to other frameworks, not the iron triangle. Scope, time, and cost define the triple constraint. (Ref: project triple constraint.)
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