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Choice Architecture for Messaging Corruption
Last registered on March 12, 2021

Pre-Trial

Trial Information
General Information
Title
Choice Architecture for Messaging Corruption
RCT ID
AEARCTR-0007233
Initial registration date
March 11, 2021
Last updated
March 12, 2021 8:48 AM EST
Location(s)
Region
Primary Investigator
Affiliation
University of Oxford
Other Primary Investigator(s)
PI Affiliation
Nuffield College
Additional Trial Information
Status
In development
Start date
2021-03-01
End date
2021-03-31
Secondary IDs
FONDECYT - Chile
Abstract
We study to what information and benchmark voters update beliefs regarding corruption when they are presented with ``objective'' information about malfeasance. We conducted and mixed within-between subjects design, where respondents will receive different information about corruption using different benchmarks. The treatment consists of 6 short videos with different information about malfeasance.

For all video treatments, we will measure beliefs about the prevalence of corruption using different metrics 1) beliefs about the prevalence of corruption using a 0 - 10 scale; 2) beliefs about the prevalence of corrupt behavior by civil servants in that local government; and 3) beliefs about the economic impacts of corruption.
External Link(s)
Registration Citation
Citation
Duch, Raymond and Felipe Torres. 2021. "Choice Architecture for Messaging Corruption." AEA RCT Registry. March 12. https://doi.org/10.1257/rct.7233-1.0.
Sponsors & Partners

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Experimental Details
Interventions
Intervention(s)
We will conduct a factorial design, where respondents will receive different information about corruption using different benchmarks. The treatment consists of 6 short videos with different information about malfeasance.

For all video treatments, we will measure beliefs about the prevalence of corruption using different metrics 1) beliefs about the prevalence of corruption using a 0 - 10 scale; 2) beliefs about the prevalence of corrupt behaviour by civil servants in that local government; and 3)beliefs about the economic impacts of corruption. Further details can be found in our pre-analysis plan.
Intervention Start Date
2021-03-10
Intervention End Date
2021-03-27
Primary Outcomes
Primary Outcomes (end points)
1) Beliefs about corruption using a 0 to 10 scale
2) beliefs about the prevalence of corrupt behaviour by civil servants in that local government,
and 3) beliefs about the economic impacts of corruption
4) Beliefs about the location o
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
No secondary outcomes
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
We will implement a factorial design that generates 24 treatment conditions. Respondents will receive the information using six different metric dimensions: standard, severity, resources total, resources individual, resources foregone losses, and program; two benchmarking dimensions: spatial and temporal; and two valence dimensions: positive and negative performance. Hence we have a 6 X 2 X 2 factorial design. There are a total of 24 factorial cells. Further details can be found in our pre-analysis plan.
Experimental Design Details
Further details can be found in our pre-analysis plan.
Randomization Method
Simple randomization from a web service: random.org
Randomization Unit
Individuals
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
None
Sample size: planned number of observations
9000 number of observations collected from at least 1500 respondents
Sample size (or number of clusters) by treatment arms
At least 1500
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
According to our power calculations simulations, 2 of the 5 treatments will be powered at a 0.8 level with 1,500 respondents
Supporting Documents and Materials

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IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
SOCIAL SCIENCES & HUMANITIES INTERDIVISIONAL RESEARCH ETHICS COMMITTEE
IRB Approval Date
2020-03-31
IRB Approval Number
R68234/RE001
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, Papers & Other Materials
Relevant Paper(s)
REPORTS & OTHER MATERIALS