Group Identity and Social Preferences

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[New Screen]You will find out your payoff from Part 2 at the end of the experiment.[New Screen]Now we start Part 3 of the experiment. You will make decisions in 7 different games. Each decisionand outcome is independent of each of your other decisions, so that your decisions and outcomesin one game will not affect your outcomes in any other game.In every game, you will be anonymously matched with one other participant. You will then beasked to make a decision under two scenarios1. if your match comes from your own group;2. if your match comes from the other group.For every decision task, you will be randomly matched with a different participant than in theprevious decision. Your decision may affect the payoffs of others, just as the decisions of yourmatch may affect your payoffs.There are roles in each game, A or B. Some games only have decisions for one role whereas othergames have multiple decisions. In games with multiple decisions, these decisions will be madesequentially, in alphabetical order: person A will make a decision first and, next, person B willmake a decision.You will not be informed of the results of any previous period or game prior to making yourdecision.Only two out of the seven games played will be randomly selected by the computer for computingpayoffs. Each game is equally likely to be drawn.We will proceed to the decisions once the instructions are clear. Are there any questions?26
[New Screen, Game 1, Player A]In this period, you are person A.You have no choice in this game.Person B’s choice determines the outcome.If person B chooses B1, you will each receive 400.If person B chooses B2, you will receive 750, and person B will receive 400.BB1B2A 400B 400A 750B 400I have no choice in this game.Okay[New Screen, Game 1, Player B]In this period, you are person B.You may choose B1 or B2.Person A has no choice in this game.If you choose B1, you will each receive 400.If you choose B2,person A will receive 750 and you will receive 400.BB1B2A 400B 400A 750B 400DecisionIf person A is from my own group, I choose B1 (radio button) or B2 (radio button).If person A is from the other group, I choose B1 (radio button) or B2 (radio button).Submit27
Page 1 and 2: Group Identity and Social Preferenc
Page 3 and 4: ehavior. Deviations from the prescr
Page 5 and 6: identity strength on cooperative be
Page 7 and 8: In our study, the stage of other-ot
Page 9 and 10: while ρ(1 + a) measures the charit
Page 11 and 12: Support. In Table 2, column 5 prese
Page 13 and 14: when A is an outgroup match. When A
Page 15 and 16: compared to outgroup matching, incr
Page 17 and 18: By Result 5, we reject Hypothesis 6
Page 19 and 20: induced identity, when matched with
Page 21 and 22: APPENDIX A. Sequential Games with S
Page 23 and 24: Based on your choices, you prefer t
Page 25: [New Screen]Please record your deci
Page 29 and 30: [New Screen, Game 3, Player B]In th
Page 31 and 32: Appendix C. Post-Experiment Survey(
Page 33 and 34: Session # Treatment or Control Game
Page 35 and 36: Dependent Variables Prob(B rewards
Page 37 and 38: Dependent Variable:Prob(B Choosing
Page 39 and 40: Tokens3503002502001501005000 1 2 3
Page 41 and 42: ReferencesAkerlof, George and Rache

Group Identity and Social Preferences

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