Alaina anticipated some controversy getting managers from different functional teams to agree on the best course of action. She convened the managers face-to-face, and after presenting the issue at hand, gave them each 30 minutes to jot down their ideas and solutions. After discussing each idea in turn, each manager ranked the solutions and the one with the highest ranking was selected. Alaina used ________ to facilitate the decision making.
A.the Delphi technique
B.production blocking
C.brainstorming
D.the nominal group technique
E.the illusion of control