Delphi technique is a form of group decision-making in which members never meet face to face and equal participation is structured by the use of written questionnaires. Dysfunctional conflict prevents a group from achieving its goals. Free association is a process of producing ideas in rapid succession with a minimum of inhibiting or restraining action. Functional conflict supports group goals. Groupthink is a term describing a type of thinking that leads to poor decisions.
Nominal group is a group of people working independently rather than interacting with each other.
Social facilitation is a process in which the productivity of each individual is increased by the stimulation provided by other group members.