Final answer:
The phase of the decision-making process during which someone develops all the possible solutions is called the Brainstorm Alternative Solutions phase.
Step-by-step explanation:
The phase of the decision-making process during which someone develops all the possible solutions is called the Brainstorm Alternative Solutions phase. During this stage, a wide variety of ideas and possible solutions are explored for the problem at hand.
These ideas can come from existing products, brainstorming sessions, scientific principles, and other approaches. The goal of this phase is to generate a body of possibilities or design concepts that can be shaped into a potential solution.