Group Identity and Social Preferences

Appendix C. Post-Experiment Survey(summary statistics in italics in parenthesis)Please answer the following survey questions. Your answers will be used for this study only.Individual data will not be exposed.1. What is your age? (Mean 20.5, Std Dev 2.5, Median 20, Min 17, Max 32)2. What is your gender?(a) Female (58.2%)(b) Male (41.8%)3. How many siblings do you have? (0 siblings 7.6%, 1-2 73.8%, 3 or more18.6%)4. What is your major at the University of Michigan?5. Are you an undergraduate or graduate student?(a) Undergraduate student (89%)(b) Graduate student (11.0%)6. Which year are you in your program? (Mean 2.4, Std Dev 1.3, Median 2, Min 0, Max 5)7. Have you ever participated in any economics or psychology experimental studies before?(a) Yes. (67.1%) Please specify the number of times(Mean: 5.6, Std Dev 5.9, Median 4, Min 1, Max 50)(b) No. (32.9%)8. What do you consider your racial or ethnic background to be?(a) White (46.4%)(b) Black (15.2%)(c) Hispanic (2.5%)(d) Asian (29.5%)(e) Other, please specify (6.3%)9. In the past twelve months, have you donated money to or done volunteer work for charitiesor other nonprofit organizations?(a) Yes. (74.3%) Please specify the amount $ (Mean 276.7, Std Dev 1357.2, Median50, Min 0, Max 13,000.) or the number of hours (Mean 57.4 hours, Std Dev 83.8,Median 30, Min 0, Max 500.)(b) No. (25.7%)10. You were assigned to the group during the experiment.31