Group decision-making - Social decisions scheme-theory

8 important questions on Group decision-making - Social decisions scheme-theory

What are the two reasons why groups rather than individuals make many decisions?

  1. Group decisions are made in order to reach consensus and ensure that everyone's opinion is heard, and that (most) group members agree with the decision.
  2. Groups will usually have more resources to draw on than individuals and might therefore make a better decision.

What is the information integration function of decision-making groups?

Some group members might hold information that is unavailable to others. In that case the group has more information than any of its members separately and is capable of a better-informed choice.

Which two recources do group members bring to the decision table?

Their preferences and their information.
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What question addresses the social decision scheme theory?

How are individual preferences translated into a group decision?

Which four elements consist in the social decision scheme (SDS) theory?

  1. Individual preferences
  2. Group composition, based on group member preferences, determines the group response
  3. Social decision schemes
  4. Group response

What is the truth wins?

Given that one alternative represents the truth (the "best" alternative), the group always chooses it (with a probability of 100%) when at least one member in the group endorses the alternative.

What is partly the reason that majority wins?

Normative pressure, deviants are silenced and sometimes people who have a differend opinion dare not express it.

What is leniency bias?

Pro-acquittal factions are more influential than pro-conviction factions, it is easier to defend 'not guilty' because there is often at least some doubt.

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