After hearing one member describe a problem to be addressed, all members of a group first write down ideas and solutions. After this, everyone shares those suggestions without criticism. The group, one by one, clarifies, critiques, and discusses the alternatives. Finally, each member ranks all the alternatives, and the highest-ranking alternative is chosen. This process is called __________.
a) Delphi technique
b) dialectical inquiry
c) brainstorming
d) nominal group technique
e) programmed decision making