Cooperative Behavior and
the Frequency of Social Interaction: Supplemental Materials
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Instructions used in the fixed pairings treatment.
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Instructions used in the random pairings, I=0 treatment.
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Instructions used in the one-shot then random pairings, I=0 treatment.
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Instructions used in the random pairings, I=1 treatment.
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Instructions used in the random pairings, I=2 treatment.
- Record Sheet
used in all experimental treatments.
- Screen
shots of the computer interface that subjects used in the experiment
(pdf file).
- Mathematica
program used to verify the existence of a contagious equilibrium
given the parameterization used in the pilot experiment conducted by Duffy
and Ochs.