T HE EFFECTS OF ATTRACTIVENESS AND M ACHIAVELLIANISM
ON THE SOCIAL NORM ENFORCEMENT
The Third-party Punishment and Reward Game (TPRG)
Ádám Putz & Róbert Palotai
Department of Psychology, University of Pécs, Hungary
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4 Paál T. (2011). Machiavelliánus döntéshozó stratégiák a szociális kapcsolatokban: A manipulatív viselkedés evolúciós perspektívája. Unpublished doctoral dissertation, Pécsi Tudományegyetem, Pécs.
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1. We expected our participants to mete out less severe punishments and more generous rewards to attractive players as opposed to unattractive players.
2. We hypothesized that high Mach participants would inflict less punishments and also mete out less rewards in contrast to low Mach persons.
1. Participants
50 (mean age = 20,66) , 31 (mean age = 22,29)
Category N Mean S.D.
Low Mach (LM)
≤ 99 40 87,03 8,69
High Mach (HM)
˃ 100 27 105,89 5,91
2. Questionnaire
3. Stimulus
Before After Original
4. The TPRG (Third-party Punishment and Reward Game)
•
•
•
•
1. The missing advantage
Punishment Reward
Unattractive Attractive
a) Intrasexual rivalry 6
Average penalties of same-sex free-riders
Males Females
Attractive Unattractive
b) The „beauty penalty” 7 Why cannot we find a difference?
2. In the wake of the Machiavellian logic
Male participants’ average punishments on female free-riders
Males
*
0 100 200 300 400 500 600 700
Reward Punishment
644,79
19,58 488,27
124,69
LM HM
0 50 100 150 200 250
Reward Punishment
154,37 146,25
50,92
209,62
LM HM
a) Rewards and punishments meted
out to cooperators b) Rewards and punishments meted out to „cunning cheaters”
*
*
* +
* p < 0,05 + p < 0,1
Attractive Unattractive
