Group decisions and voting


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Table of Contents

Group decisions and voting

Contents

Group characteristics

Group decisions: .advantages and disadvantages

Methods for improving group decisions

Brainstorming (1/3)

Brainstorming (2/3)

Brainstorming (3/3)

Nominal group technique (1/4)

Nominal group technique (2/4)

Nominal group technique (3/4)

Nominal group technique (4/4)

Delphi technique (1/8)

Delphi technique (2/8)

Delphi technique (3/8)

Delphi technique (4/8)

Delphi technique (5/8)

Delphi technique (6/8)

Delphi technique (7/8)

Delphi technique (8/8)

Computer assisted decision making

Group decision making by voting

Voting - a social choice

Plurality voting (1/2)

Plurality voting (2/2)

Condorcet

Borda

Approval voting

The Condorcet paradox (1/2)

The Condorcet paradox (2/2)

Strategic voting

Coalitions

Weak preference order

Requirements on the .social choice function (1/2)

Requirements on the .social choice function (2/2)

Arrow’s theorem

Arrow’s theorem - an example

Value aggregation (1/2)

Value aggregation (2/2)

Problems in value aggregation

Author: SAL eLearning Resources / MCDA team

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