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Fields Changed

Registration

Field Before After
Trial Start Date August 24, 2026 September 17, 2026
Last Published August 20, 2026 08:39 AM October 01, 2026 11:15 AM
Intervention Start Date August 24, 2026 September 17, 2026
Primary Outcomes (End Points) For the access component: income, labor supply. For both: aspirations; worldviews; preferences for redistribution; attitudes towards the rich For the access component: income, labor supply, preferences for redistribution, political participation, attitudes towards the rich, aspirations For the exposure component: preferences for redistribution, political participation, attitudes towards the rich, aspirations
Primary Outcomes (Explanation) Aspirations: index based on endline survey questions on income and education that the participant hopes to reach (and their children to reach) in different time horizons. Worldviews: endline survey questions on whether participants believe that income differences derive from luck or effort, and whether such differences are fair or unfair. Preferences for redistribution: index based on questions about particular policies. Attitudes towards the rich: index based on behavioral games played against someone living in a wealthy neighborhood + questions on "warmth" towards a resident of wealthy neighborhoods. See pre-analysis plan. Preferences for redistribution, political participation, attitudes towards the rich, and aspirations are indices based on survey questions.
Secondary Outcomes (End Points) For the exposure experiment: Psychological Well-Being; Voting Preferences; Political Engagement For the exposure experiment: Psychological Well-Being; Worldviews, Labor Supply
Secondary Outcomes (Explanation) Psychological Well-Being: index based on traditional mental health questionnaires (PHQ-8; life-satisfaction index; self-esteem; stress) Voting Preferences: elicited before and during the 2026 presidential elections in Brazil Political engagement: index based on endline questions about expected engagement during the elections (e.g., sharing campaign materials with relatives and friends or voluntarily working for a campaign) See pre-analysis plan. Psychological Well-Being is an index based on survey questions. Worldviews are elicited through answers to two questions on fairness and merit.
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Irbs

Field Before After
IRB Name Comitê de Ética em Pesquisa - Instituto Federal de São Paulo
IRB Approval Date August 13, 2026
IRB Approval Number 99356526.0.0000.5473
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