The phrase "decision phase" refers to the stage or period when someone makes a choice or selects an option among different possibilities. It is the time when a decision is being made. Full definition
The last piece of the consideration phase that transitioned them to the decision phase was the commitment to find a solution. (blog.imaginellc.com)
The researchers analyzed the preschoolers» vagal tone during three stages: the instruction phase; the decision phase, which included token donation; and the conclusion phase, during which researchers returned to the room, closed the token boxes without peeking, and put everything away. (sciencedaily.com)
Impact Assessments be followed by a «Decision Phase» where the impact assessment authority would seek Indigenous consent. (jfklaw.ca)