The Dynamics of Social Image: Online Experiment

Last registered on August 18, 2023
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Pre-Trial

Trial Information

General Information

Title
The Dynamics of Social Image: Online Experiment
RCT ID
AEARCTR-0011361
Initial registration date
May 04, 2023

Initial registration date is when the trial was registered.

It corresponds to when the registration was submitted to the Registry to be reviewed for publication.

First published
May 12, 2023, 5:21 PM EDT

First published corresponds to when the trial was first made public on the Registry after being reviewed.

Last updated
August 18, 2023, 3:40 AM EDT

Last updated is the most recent time when changes to the trial's registration were published.

Locations

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Primary Investigator

Name
Fabian Hoffmann
Affiliation
University of Cologne
Contact Primary Investigator

Other Primary Investigator(s)

Additional Trial Information

Status
In development
Start date
2023-05-10
End date
2024-12-31
Keywords
Behavior
Additional Keywords
Social Image Concerns
JEL code(s)
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
I run an experiment to explore the dynamics of social image concerns.
External Link(s)

Registration Citation

Citation
Hoffmann, Fabian. 2023. "The Dynamics of Social Image: Online Experiment." AEA RCT Registry. August 18. https://doi.org/10.1257/rct.11361-1.1
Sponsors & Partners
Experimental Details

Interventions

Intervention(s)
Intervention Start Date
2023-05-10
Intervention End Date
2024-12-31

Primary Outcomes

Primary Outcomes (end points)
Amount donated in the second donation.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
I measure how a prior image moderates the effect of image concerns on prosocial behavior in an online experiment.
Experimental Design Details
Not available
Randomization Method
Random draw done by a computer (for detail see experimental design)
Randomization Unit
Individual
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
180-240 individuals
Sample size: planned number of observations
180-240 individuals
Sample size (or number of clusters) by treatment arms
180-240
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials
IRB

Institutional Review Boards (IRBs)

IRB Name
Ethics Committee of the Faculty of Management, Economics and Social Sciences, University of Cologne
IRB Approval Date
2023-05-08
IRB Approval Number
230020FH
Analysis Plan

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