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Lars-Olof Johansson Department of Psychology 2008-06-01 Third-party fairness Lars-Olof Johansson & Henrik Svedsäter Göteborgs Universitet, Sweden, 2009 Lars-Olof Johansson Department of Psychology 2008-06-01
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Lars-Olof Johansson Department of Psychology 2008-06-01 Dm AB Fairness between me and two others Egocentric fairness “inequality aversion”: advantageous / disadvantageous positions (Fehr & Schmidt, 1999) Lars-Olof Johansson Department of Psychology 2008-06-01
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Lars-Olof Johansson Department of Psychology 2008-06-01 Dm Student 1 Fairness between two others Student 2
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Lars-Olof Johansson Department of Psychology 2008-06-01 Aims of four experiments To test fairness between others in both advantageous and disadvantageous positions, extending Fehr and Schmidt (1999) To test the stability of fairness To test whether fairness depends on how much room is given for motivated reasoning (Kunda, 1990)
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Lars-Olof Johansson Department of Psychology 2008-06-01 Methods We induce conflicts between self-interest and fairness Decision makers pay real money to ensure fairness Factorial designs Preference ratings
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Lars-Olof Johansson Department of Psychology 2008-06-01 Between-group designs Pre-determined group Coin-flip group Forced choice group
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Lars-Olof Johansson Department of Psychology 2008-06-01 Choice examples Experiment 1 (one group, in classrooms)
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Lars-Olof Johansson Department of Psychology 2008-06-01 Results Experiment 1 (n = 52)
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Lars-Olof Johansson Department of Psychology 2008-06-01 Experiment 2 Pre-determined group Coin-flip group
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Lars-Olof Johansson Department of Psychology 2008-06-01 Experiment 2 (two groups) Pre-determined (by us) group
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Lars-Olof Johansson Department of Psychology 2008-06-01 Alt. AAlt. B1Alt. B2 You get50150 Student 1 gets507525 Student 2 gets502575 Experiment 2 Coin-flip group
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Lars-Olof Johansson Department of Psychology 2008-06-01 Experiment 2 (n = 74) Results
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Lars-Olof Johansson Department of Psychology 2008-06-01 Experiment 2 (n = 74) Results
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Lars-Olof Johansson Department of Psychology 2008-06-01 Alternative A Alternative B Experiment 3 Preference rating
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Lars-Olof Johansson Department of Psychology 2008-06-01 Experiment 3 Pre-determined group Coin-flip group
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Lars-Olof Johansson Department of Psychology 2008-06-01 Experiment 3 (n = 112) Mean preference for fair alternatives Results
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Lars-Olof Johansson Department of Psychology 2008-06-01 Experiment 4 (3 groups) Pre-determined group Coin-flip group Forced choice group
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Lars-Olof Johansson Department of Psychology 2008-06-01 Alt. AAlt. B1Alt. B2 You get50150 Student 1 gets5015050 Student 2 gets50 150 Experiment 4 Forced choice group
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Lars-Olof Johansson Department of Psychology 2008-06-01 Experiment 4 (n = 164) Results Mean preference for fairness on a scale from 4 (fair) to -4 (greed)
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Lars-Olof Johansson Department of Psychology 2008-06-01 Conclusions Egocentric inequality aversion (Fehr & Schmidt, 1999) is replicated People are averse against third-party inequalities Third-party fairness is sensitive to context - Interactions between egocentric position and contextual factors
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Lars-Olof Johansson Department of Psychology 2008-06-01 Take home message! People care for third-party fairness and are willing to pay for upholding it! The influence of third-party fairness depends largely on the decision context!
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Lars-Olof Johansson Department of Psychology 2008-06-01 Reference Johansson, L.-O. & Svedsäter, H. (in press). Piece of cake? Allocating rewards when fairness is costly. Organizational Behaviour and Human Decision Processes.
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Lars-Olof Johansson Department of Psychology 2008-06-01 Thank you!
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Lars-Olof Johansson Department of Psychology 2008-06-01 Dm (50, 90) Student 1 (50, 40) Student 2 (50, 20) Fairness between me and two others Third. diff 0, 20 = 40-20 Adv. diff 0, 60 = (50+70)/2
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Lars-Olof Johansson Department of Psychology 2008-06-01 Fehr and Schmidt model Set of players indexed by let Where and. The first term, is the material payoff of decision maker i The second term measures the utility loss from disadvantageous inequity The third term measures the utility loss from advantageous inequity.,
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Lars-Olof Johansson Department of Psychology 2008-06-01., Proposed new model
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Lars-Olof Johansson Department of Psychology 2008-06-01 Experiment 2 (two groups individually) Pre-determined group
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