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Understanding Social Motives in Protest Participation: Experimental Evidence from Hong Kong
Last registered on August 19, 2019

Pre-Trial

Trial Information
General Information
Title
Understanding Social Motives in Protest Participation: Experimental Evidence from Hong Kong
RCT ID
AEARCTR-0004288
Initial registration date
June 07, 2019
Last updated
August 19, 2019 5:51 PM EDT
Location(s)
Region
Primary Investigator
Affiliation
Harvard University
Other Primary Investigator(s)
PI Affiliation
Hong Kong University of Science and Technology
PI Affiliation
London School of Economics
PI Affiliation
University of Munich
PI Affiliation
University of Chicago
Additional Trial Information
Status
Completed
Start date
2019-06-07
End date
2019-08-15
Secondary IDs
Abstract
This project aims to understand social motives and their interaction with instrumental motives in shaping individuals' decisions to participate in anti-authoritarian protests. We focus on the large protest in Hong Kong against the proposed Extradition Bill, which will take place on June 9th, 2019. We cross-randomize two treatment arms: (a) information that changes individuals' perceived pro-social and anti-social norms adhered by protest participants and non-participants; and (b) monetary incentives to participate in the protest. We then observe experimental subjects' protest participation decisions as our primary outcome of interest.
External Link(s)
Registration Citation
Citation
Bursztyn , Leonardo et al. 2019. "Understanding Social Motives in Protest Participation: Experimental Evidence from Hong Kong." AEA RCT Registry. August 19. https://doi.org/10.1257/rct.4288-3.0.
Former Citation
Bursztyn , Leonardo et al. 2019. "Understanding Social Motives in Protest Participation: Experimental Evidence from Hong Kong." AEA RCT Registry. August 19. https://www.socialscienceregistry.org/trials/4288/history/51937.
Experimental Details
Interventions
Intervention(s)
We cross-randomize two treatment arms: (a) information that changes individuals' perceived pro-social and anti-social norms adhered by protest participants and non-participants; and (b) monetary incentives to participate in the protest.
Intervention Start Date
2019-06-07
Intervention End Date
2019-06-09
Primary Outcomes
Primary Outcomes (end points)
As a first stage outcome, we elicit experimental subjects' posterior beliefs on the share of pro-democracy types among those who would participate in the upcoming protests, and among those who would not participate. We elicit experimental subjects' protest participation decisions as our primary outcome of interest.
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
Experimental subjects are recruited a few days before the June 9th protest. The baseline survey present information treatment and instrumental incentive treatment to the treated subjects. The baseline survey also elicit subjects' posterior beliefs on pro-democracy type shares among protest participants and non-participants. The outcomes (protest participation) will be elicited around end of July with a follow-up survey.
Experimental Design Details
Randomization Method
Randomization done in office by a computer.
Randomization Unit
Individual.
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
No cluster.
Sample size: planned number of observations
Planned experimental participants: 1,200 students at HKUST.
Sample size (or number of clusters) by treatment arms
400 students receive no information treatment, and 400 students receive each one of the two types of information treatment.
600 students (cross-randomized) receive no incentive treatment, and 600 students receive incentive treatment.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
University of Munich
IRB Approval Date
2019-06-06
IRB Approval Number
2019-07
IRB Name
University of California at Berkeley
IRB Approval Date
2019-06-07
IRB Approval Number
2015-05-7571
Analysis Plan

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Post-Trial
Post Trial Information
Study Withdrawal
Intervention
Is the intervention completed?
No
Is data collection complete?
Data Publication
Data Publication
Is public data available?
No
Program Files
Program Files
Reports and Papers
Preliminary Reports
Relevant Papers