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Anti-Bunching: A New Test for Signaling Motives in Prosocial Behavior
Last registered on October 18, 2019

Pre-Trial

Trial Information
General Information
Title
Anti-Bunching: A New Test for Signaling Motives in Prosocial Behavior
RCT ID
AEARCTR-0004809
Initial registration date
October 01, 2019
Last updated
October 18, 2019 11:10 AM EDT
Location(s)

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Primary Investigator
Affiliation
Other Primary Investigator(s)
Additional Trial Information
Status
On going
Start date
2019-10-08
End date
2020-10-31
Secondary IDs
Abstract
Online experiment to study how signaling motives for prosocial behavior interact with incentives for bunching
External Link(s)
Registration Citation
Citation
Birke, David. 2019. "Anti-Bunching: A New Test for Signaling Motives in Prosocial Behavior." AEA RCT Registry. October 18. https://doi.org/10.1257/rct.4809-1.2.
Experimental Details
Interventions
Intervention(s)
Intervention Start Date
2019-10-08
Intervention End Date
2019-10-31
Primary Outcomes
Primary Outcomes (end points)
Number of tasks completed for charity, reported beliefs about what other subjects see as generous
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
See attached pre-analysis plan (registered before the trial, will be published when the trial is complete)
Experimental Design Details
Not available
Randomization Method
Randomization done by a computer
Randomization Unit
Individual
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
2,400 individuals
Sample size: planned number of observations
2,400 individuals
Sample size (or number of clusters) by treatment arms
See attached pre-analysis plan (registered before the trial, will be published when the trial is complete)
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
UC Berkeley - Committee for Protection of Human Subjects
IRB Approval Date
2019-09-16
IRB Approval Number
2019-08-12490
Analysis Plan

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