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Overcoming the Trust Deficit: A Field Experiment on Inter-Group Contact in Iraq
Last registered on November 13, 2018

Pre-Trial

Trial Information
General Information
Title
Overcoming the Trust Deficit: A Field Experiment on Inter-Group Contact in Iraq
RCT ID
AEARCTR-0003540
Initial registration date
November 06, 2018
Last updated
November 13, 2018 1:32 AM EST
Location(s)
Region
Primary Investigator
Affiliation
Stanford University
Other Primary Investigator(s)
Additional Trial Information
Status
On going
Start date
2018-08-24
End date
2019-11-12
Secondary IDs
Abstract
How can tolerance and trust be rebuilt after conflict? This study explores the potential for contact with out-groups (“intergroup contact”) to reduce prejudice in a post-conflict setting. Iraqi Christians displaced by ISIS are randomly assigned to an all-Christian soccer team or to a team mixed with Sunni Arabs, who share the same ethno-religious background as ISIS. In the pilot, Christians assigned to mixed teams were 26.1 percentage-points more likely to attend a Ramadan event three weeks after the intervention, 45.5 percentage-points more likely to play soccer with Muslims four months later, and 31 percent more likely to believe that peaceful coexistence is possible. These initial findings suggest that cooperative contact may rebuild social trust over time. This full RCT scales up the pilot, measuring impacts up to one year later on participants’ attitudes and behaviors, as well as that of their households and of the local community at large.
External Link(s)
Registration Citation
Citation
Mousa, Salma. 2018. "Overcoming the Trust Deficit: A Field Experiment on Inter-Group Contact in Iraq." AEA RCT Registry. November 13. https://doi.org/10.1257/rct.3540-2.0.
Former Citation
Mousa, Salma. 2018. "Overcoming the Trust Deficit: A Field Experiment on Inter-Group Contact in Iraq." AEA RCT Registry. November 13. http://www.socialscienceregistry.org/trials/3540/history/37156.
Sponsors & Partners

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Experimental Details
Interventions
Intervention(s)
See attached PAP.
Intervention Start Date
2018-09-10
Intervention End Date
2018-11-21
Primary Outcomes
Primary Outcomes (end points)
See attached PAP.
Primary Outcomes (explanation)
See attached PAP.
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
See attached PAP.
Experimental Design Details
Randomization Method
See attached PAP.
Randomization Unit
See attached PAP.
Was the treatment clustered?
Yes
Experiment Characteristics
Sample size: planned number of clusters
See attached PAP.
Sample size: planned number of observations
See attached PAP.
Sample size (or number of clusters) by treatment arms
See attached PAP.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
See attached PAP.
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
Stanford University
IRB Approval Date
2018-07-10
IRB Approval Number
39653
Analysis Plan
Analysis Plan Documents
Mousa-PAP-update.pdf

MD5: 59fc0adb38c241813f677f6372b7de41

SHA1: fdd1c2b89d745ee3f77560f1b24b7bc7e42482f6

Uploaded At: November 13, 2018

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, Papers & Other Materials
Relevant Paper(s)
REPORTS & OTHER MATERIALS